The correct answer is 598.4m
Two key elements in describing a wave's nature are its wavelength and frequency. Wavelength is essentially a measurement of the separation between two adjacent wave crests or troughs. It is always calculated in the direction of the wave, and the sign for it is. Given that it is a measurement of distance, it is stated in terms of metres.
Frequency: The number of times a particle vibrates during a sound wave's passage through a medium is referred to as frequency. The total amount of vibrations that occur within a certain period of time is the frequency.
Wavelength: The distance between two successive curve crests or troughs is known as a wavelength. The distance between the crests and troughs of a high-frequency wave is smaller than that of a low-frequency wave, and vice versa.
s=93km=93000m
f=11.1hz
t=24.43 sec
λ=v/f
λ=s/ft
λ=93000/(11.1)(14)
λ=93000/155.4
λ=598.4m
To learn more about wavelength refer the link:
https://brainly.com/question/13997605
#SPJ4
What power is needed to lift a 49-kg person a vertical distance of 5.0 m in 20.0 s?
a. 120 w
b. 25 w
c. 60w
d. 12.5
The power that is needed to lift a 49 kg person to a vertical distance of 5.0 meters in 20 seconds is 120 watts.
To calculate power, we can use this following formula:
P = W/t
Where:
“P” represents power, “W” represents work, and “t” represents time.
According to the data, we are given that:
Mass (m) = 49 kg
Height (h) = 5.0 m
Time (t) = 20.0 s
Acceleration due to gravity (g) = 9.8 m/s^2
First, we need to find the work done by using this following formula:
W = Mass x Height x Gravity
W = 49 × 5.0 × 9.8
W = 2,401
P = W/t
P = 2401/20.0
P = 120.05 W
Thus, the power needed to lift a person is 120 Watts
To learn more about power, click here:
https://brainly.com/question/22245826
#SPJ4
What is the momentum of a 2.0-kg object that has a velocity of 8.0 m/s ?
Please help
What is the approximate pressure of a storage cylinder of recovered r-410a that does not contain any non-condensable impurities and is stored in a room where the temperature is 80°f?
Answer:
173psig
Explanation:
The storage cylinder of recovered R-410A is mixture of difluoromethane and pentafluoroethane which is used as a refrigerant in air conditioning application. The refrigeration sector has low temperatures for installation. The pressure of cylinder at 80 F will be 173 psig. The pure refrigerants have inside a container have saturation temperature which is equal to ambient temperature.
A containment canister of recovered r-410a has an estimated pressure of 173psig.
The retrieved R-410A preservation container is a blend of difluoromethane and pentafluoroethane, that is used as a compressor in air conditioning systems.
Assembly conditions in the freezer industry are extremely low. At 80 degrees Fahrenheit, the cylinder pressure will be 173 pounds per square inch.
The specific heat capacity of pure refrigeration systems within a cylinder is the same as the room temperature.
Learn more:
https://brainly.com/question/5793747?referrer=searchResults
A student is studying the ways different elements are similar to one another. Diagrams of atoms from four different elements are shown below.
Which two atoms are of elements in the same group in the periodic table?
Answer:atom one and atom four
Explanation:
Why does the Earth exert a gravitational force on objects on its surface?
A. It has an atmosphere,
B. It has mass
C. It has a magnetic field.
D. It is so dense.
Answer:
B. It has mass
Explanation:
The Newtons Universal gravitacion law is : F = G.\(\frac{m1 m2}{d^{2} }\) , where F is the force exerted , m1 and m2 are the earth's mass and the object's mass, d is the distance and G the gravitacional constant. Comparing to the options we can say that the Earth exerts a gravitational force on objects on its surface because of its mass.
PLEASE ANSWER ILL GIVE YOU BRAIN!!!!
Answer:
I think the first two one is 70 the second on is 14
I hope this helps if I’m wrong I’m sorry
Explanation:
the relative number of craters found in the maria and the highlands greatly differs. in addition, we have inferred that the maria formed from molten lava welling up from the moon's mantle. use this information to rank the following images of lunar regions in order of relative age, from oldest to youngest.
Compared to Maria, the lunar highlands feature more craters. The Moon's surface is made up primarily of mountains and maria.
If you've ever given the Moon a close look, you've probably noticed that its surface is speckled with darker areas of white or grey. These black areas are primarily maria. Craters or lunar highlands make up the Moon's lighter regions. In addition, Maria are much larger than craters (though they are both circular in shape).
They consumed food that was made from molten lava that rose from the moon's mantle. The reason for this, according to scientists, is that enormous asteroids struck the Moon, creating enormous craters, which were later filled with lava from the moon's interior.
To know more about moon visit: https://brainly.com/question/14452843
#SPJ1
What contains the DNA in plant cells and animal cells
Answer:
Although the vast majority of DNA in most eukaryotes is found in the nucleus, some DNA is present within the mitochondria of animals, plants, and fungi and within the chloroplasts of plants.
Explanation:
A cannon is fired horizontally from the top of a platform, with a velocity of 18m/s. If the cannon ball
lands 162m away from the base of the platform, How long does it take for the cannon ball to hit the
ground? How tall is the platform?
I
The time cannon ball to hit the ground is 9s and length of platform is 1,458 m.
Equation :To calculate time taken by cannon ball hit ground we use formula,
speed = distance / time
s = d / t
As given,
s is 18m/s
d is 162m
t = ?
Putting the values,
18m/s = 162m / t
t = 162m / 18m/s
t = 9 s
To calculate length of platform,
length = distance x time taken to hit the ground
l = 162m x 9s
l = 1,458 m
Velocity :When an object is moving, its velocity is the rate at which its direction is changing as seen from a specific point of view and as measured by a specific unit of time. a vector measurement of the motion's velocities. Simply put, velocity is the rate of movement in a single direction. Velocity can be used to gauge both the speed of a rocket launching into space and the speed of a car traveling north on a busy freeway.
To know more about vector measurement :
https://brainly.com/question/11261591
#SPJ9
A force of 37.0 N is required to start a 3.0 kg box moving across a horizontal concrete floor. (a) What is the coefficient of static friction between the box and the floor? (b) If the 37.0 N force continues, the box accelerates at 0.60 m/s^2. What is the coefficient of kinetic friction?
When a force is applied to an object resting on a surface, the frictional force acts in the opposite direction to the force applied. There are two types of frictional forces: static friction and kinetic friction.
Static friction is the force that opposes the start of motion between two surfaces, while kinetic friction is the force that opposes the motion of an object that is already moving.The coefficient of friction is a dimensionless constant that describes the relationship between the frictional force and the normal force, which is the force perpendicular to the surface. It can be used to calculate the frictional force in a given situation.
To find the coefficient of static friction, we use the formula:
fs = μsN
where fs is the force of static friction, μs is the coefficient of static friction, and N is the normal force acting on the box. Since the box is on a horizontal surface, the normal force is equal to the weight of the box, which is given by:
N = mg
where m is the mass of the box and g is the acceleration due to gravity (9.81 m/s^2). Substituting in the given values, we get:
N = (3.0 kg)(9.81 m/s^2) = 29.43 N
To find the coefficient of static friction, we need to determine the minimum force required to start the box moving. Since the force required is given as 37.0 N.
For more questions like friction visit the link below:
https://brainly.com/question/5461242
#SPJ11
Hey stob it.
Please help me.
Cmon help me.
Plz.
Answer:
3) D: 31 m/s
4) D: 84.84 metres
Explanation:
3) Initial velocity along the x-axis is;
v_x = v_o•cos θ
Initial velocity along the y-axis is;
v_y = v_o•sin θ
Plugging in the relevant values, we have;
v_x = 31 cos 60
v_x = 31 × 0.5
v_x = 15.5 m/s
Similarly,
v_y = 31 sin 60
v_y = 31 × 0.8660
v_y = 26.85 m/s
Thus, magnitude of the initial velocity is;
v = √(15.5² + 26.85²)
v ≈ 31 m/s
4) Formula for horizontal range is;
R = (v² sin 2θ)/g
R = (31² × sin (2 × 60))/9.81
R = 84.84 m
How do you convert kg to Newtons?
To convert kilograms (kg) to Newtons (N), you can use the following equation:
1 N = 1 kg * 9.8 m/s^2
So, to convert a weight measured in kilograms to Newtons, you can multiply the weight in kilograms by 9.8.
For example, if you have a weight of 50 kg, you can convert it to Newtons by:
50 kg * 9.8 = 490 N
So, 50 kg is equivalent to 490 N.
It's worth noting that the weight of an object is the force exerted on it due to gravity, and the unit of weight is newton (N) in the International System of Units (SI) . Because the acceleration due to gravity is 9.8 m/s² on the surface of the earth, the weight of an object in kilograms can be calculated by multiplying its mass by 9.8.
To learn more about convert kg to Newtons refer here
https://brainly.com/question/11733665
#SPJ11
Pweese help one more timeeee
pweese look at the image below
Answer:
1. 50 meters
2. average velocity (?)
Explanation:
Vot + 1/2 at^2
= 0 (10) + 1/2(1)(10)^2
= 0 + 1/2 (1)(10)^2
= 1/2 (1) (100)
= 1/2 (100)
= 50
So far, you’ve been working with an "ideal" pulley system. How do you think real pulley systems are different, and how would that affect the mechanical advantage of real pulley systems?
Plz really need help with this. And thank you so much
Answer:
In an ideal pulley system is assumed as a perfect system, and the efficiency of the pulley system is taken as 100% such that there are no losses of the energy input to the system through the system's component
However, in a real pulley system, there are several means through which energy is lost from the system through friction, which is converted into heat, sound, as well as other forms of energy
Given that the mechanical advantage = Force output/(Force input), and that the input force is known, the energy loss comes from the output force which is then reduced, and therefore, the Actual Mechanical Advantage (AMA) is less than the Ideal Mechanical Advantage of an "ideal" pulley system
The relationship between the actual and ideal mechanical advantage is given by the efficiency of the pulley system as follows;
\(Efficiency \, \% = \dfrac{AMA}{IMA} \times 100\)
Explanation:
An operational amplifier circuit with current shunt feedback configuration has the following parameters: lo = 6.4 mA, I₁ = 0.25 mA, If = 7.51₁ Zif Z₁ Determine the input impedance ratio and gain-bandwidth product with feedback (A,B) of this circuit. (12 marks) (b) Given a tranconductance amplifier as shown in Figure Q1(b), derive the expression of its attenuation (B) in term of resistors. (8 marks) Rs Io V₁ R₂ Figure Q1(b) R1 2 RL
The input impedance ratio of the operational amplifier circuit with current shunt feedback configuration is Zif/Z₁, and the gain-bandwidth product with feedback is A * B.
For part (a), to determine the input impedance ratio (Zif/Z₁) and the gain-bandwidth product (A*B) of the current shunt feedback operational amplifier circuit, you would need to consider the given parameters and use the relevant equations for the current shunt configuration.
The input impedance ratio (Zif/Z₁) can be calculated by dividing the input impedance of the operational amplifier circuit (Zif) by the impedance of the feedback resistor (Z₁). This can be determined using the circuit configuration and the given values for Zif and Z₁.
The gain-bandwidth product (A*B) is the product of the open-loop voltage gain (A) and the bandwidth (B) of the operational amplifier. The open-loop voltage gain can be obtained from the specifications or datasheet of the operational amplifier. The bandwidth can be determined by analyzing the frequency response of the amplifier circuit.
For part (b), to derive the expression for the attenuation (B) of the given transconductance amplifier, you would need to analyze the circuit configuration shown in Figure Q1(b). By applying circuit analysis techniques, such as Kirchhoff's laws and Ohm's law, you can determine the relationship between the input and output signals and derive the expression for the attenuation in terms of resistors
Learn more about input impedance
brainly.com/question/30887212
#SPJ11
A car traveling south is 200 kilometers from its starting point after 2 hours. What is the average velocity of the car?
A. 100 kilometers/hour south
OB. 200 kilometers/hour
O.C. 200 kilometers/hour north
OD. 100 kilometers/hour
Explanation:
Total displacement = 200 km
Total time taken = 2 hour...
Now...
\(average \: velocity \: = \frac{total \: displacement}{total \: time \: taken \: } \\ \)
\( = \frac{200}{2} \\ \)
= 100 kilometers/hour south
An airplane travels for 2.5 hours at an average rate
of 130 miles per hour. Use the distance formula, d=rt, to find how
far the plane travels.
The plane travels a distance of 325 miles if the airplane travels for 2.5 hours at an average speed of 130 miles per hour. Using the distance formula (d = rt), we can calculate the distance.
To find the distance traveled by the airplane, we can use the distance formula, which is represented as d = rt. In this formula, "d" represents the distance, "r" represents the rate or speed at which the object is traveling, and "t" represents the time taken for the travel.
Given that the airplane travels for 2.5 hours at an average rate of 130 miles per hour, we can substitute these values into the formula. The rate of the airplane is 130 miles per hour, and the time taken is 2.5 hours.
Using the formula, we can calculate the distance traveled as follows:
d = rt
d = 130 mph × 2.5 hours
Multiplying the rate (130 mph) by the time (2.5 hours) gives us:
d = 325 miles
Therefore, the airplane travels a distance of 325 miles during the 2.5 hours of travel at an average rate of 130 miles per hour.
To know more about distance here https://brainly.com/question/30395212
#SPJ4
if the change in thermal energy is 140j mass is 27kg and temperature change is 11゚C what is the specific heat capacity
The specific heat capacity formula is used to determine the quantity of heat required to alter the temperature of a unit mass of a substance by one degree Celsius.
The symbol c represents specific heat, and its SI unit is J/kg °C. The formula is:Q = mc∆THere, Q represents the change in thermal energy, m represents the mass of the object, c represents the specific heat, and ∆T represents the change in temperature.In order to determine the specific heat of a substance, we can substitute the given values into the above formula.Q = mc∆T140 J = (27 kg) c (11°C)c = 140 J / (27 kg × 11°C)Therefore, the specific heat capacity of the substance is approximately 0.479 J/kg °C.For such more question on Celsius
https://brainly.com/question/30391112
#SPJ8
f(x)= 10x-5
What is the value of f-1(-4) ?
Answer:
\(f^{-1}(-4) = \frac{1}{10}\)
Explanation:
Firstly finding \(f^{-1}(x)\)
So,
\(f(x) = 10x-5\)
Substitute \(y = f(x)\)
\(y = 10x-5\)
Exchange the values of x and y
\(x = 10y-5\)
Solving for y
\(x = 10y-5\)
Adding 5 to both sides
\(10y = x+5\)
Dividing both sides by 10
\(y = \frac{x+5}{10}\)
Replace \(y = f^{-1}(x)\)
\(f^{-1}(x) = \frac{x+5}{10}\)
For x = -4
\(f^{-1}(-4) = \frac{-4+5}{10}\)
\(f^{-1}(-4) = \frac{1}{10}\)
Answer:
\(\frac{1}{10}\)
Explanation:
f(x) = y (output)
y = 10x - 5
Switch variables.
Solve for y.
x = 10y - 5
x + 5 = 10y
x/10 + 1/2 = y
\(f^{-1}(x)\) = 1/10x + 1/2
Put x as -4.
1/10(-4) + 1/2
-4/10 + 1/2
-4/10 + 5/10
= 1/10
If you throw a ball up with a velocity of 7 m/s, how long will it take for the ball to reach
the top of its path?
Answer:
42secs
Explanation:
v=u-gt
0=7-10t
10t=7
t=7/10
t=7/10*60
t=42
can someone please tell me how to calculate the initial kinetic energy
In classical mechanics, kinetic energy (KE) is equal to half of an object's mass (1/2*m) multiplied by the velocity squared. For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s2
Question 7 of 10
What is kinetic friction?
A. Friction that acts when an object is not moving
B. Friction that opposes air resistance
C. Friction that exerts no force
D. Friction that acts on a sliding object
SUBMIT
Answer: Friction that acts on a sliding object
Explanation:
for the u.s. as a whole, thunderstorm activity is most intense in month
The month in which the United States experiences the highest level of thunderstorm activity is July.
The United States is a vast country with a diverse climate, and thunderstorm activity varies across different regions and seasons. However, on average, thunderstorm activity is most intense in the month of July across the entire country.
This is primarily due to the fact that July is the warmest month of the year in most regions, with high temperatures and high humidity levels creating unstable atmospheric conditions that are favorable for thunderstorm development.
In addition, the peak of the Atlantic hurricane season typically occurs in late summer, which can also contribute to increased thunderstorm activity in coastal regions. While thunderstorm activity can occur at any time of year, July tends to be the month when thunderstorms are most frequent and most intense across much of the United States.
To know more about thunderstorm activity, refer here:
https://brainly.com/question/8589415#
#SPJ11
A switch controls whether electricity flows in a circuit or not. In the figure given, S1, S2, S3
and S4 are switches. Under what case will the bulb glow? * (1 Point)
Electricity won't flow in a circuit if you don't. as a result of open switches.
Switches S2, S3, S4, or S1, S4 must be closed in order for electricity to flow.
With examples, define circuit.
A closed road or a line defining a boundary is what is meant by the term "circuit." The wires that include conductors and other parts that enable electricity to move along them are an example of a circuit. Circuit refers to the route travelled by a judge who holds office in many courts.
Which circuit goes by what name?Electric circuits can be divided into five main categories: closed circuits, open circuits, short circuits, series circuits, and parallel circuits. Let's study and comprehend in depth using examples, definitions, and symbols.
To know more about circuit visit:-
https://brainly.com/question/12608516
#SPJ13
a car is traveling at 20 m/s and speeds up to 35 m/s in 5 seconds. what is the cars acceleration?
This is a Uniformly Accelerated Rectilinear Motion exercise.
We obtain the following data:
Vo = 20 m/s, Vf = 35 m/s, t = 5, a = ¿?
To calculate the acceleration, subtract the final velocity minus the initial velocity, divided by the time.
a = Vf - Vo / t
a = 35 m/s - 20 m/s / 5 s = 3 m/s².Greetings
12) A road has a round hump 12.0 m in radius. What is the minimum speed at which a car can leave the road at the top
of the hump?
The minimum speed at which a car can leave the road at the top is 10.84 m/s.
The minimum speed
The minimum speed at which the car can leave the road is calculated as follows;
\(F_c = F_n\\\\\frac{mv^2}{r} = mg\\\\\frac{v^2}{r} = g\\\\v^2 = rg\\\\v = \sqrt{rg} \\\\\)
where;
r is the radius of the curved road = 12 mg is acceleration due to gravity = 9.8 m/s².\(v = \sqrt{12 \times 9.8} \\\\v = 10.84 \ m/s\)
Thus, the minimum speed at which a car can leave the road at the top is 10.84 m/s.
Learn more about minimum speed on curved roads here: https://brainly.com/question/13102465
On the decibel scale,an increase of 1 dB means that sound intensity is increased by a factor of ________?
A.10
B.20
C.100
D 200
Answer:
A. 10
Explanation:
it increases by 10 each level
mark brainliest
What are the different methods used to estimate wind speed at a location?
The choice of method depends on the specific application, budget, and level of accuracy required. In many cases, a combination of methods is used to obtain a comprehensive understanding of wind patterns at a particular location.
There are several methods used to estimate wind speed at a location. These methods vary in terms of their complexity, accuracy, and the equipment required. Here are some common methods:
Anemometers: Anemometers are devices specifically designed to measure wind speed. The most common type is the cup anemometer, which consists of three or more cups mounted on a horizontal axis. As the wind blows, the cups rotate, and the rotational speed is directly related to the wind speed. Anemometers can provide real-time wind speed measurements.
Wind Vanes: While wind vanes primarily indicate wind direction, some designs also incorporate anemometer-like features to estimate wind speed. The vane is mounted on a vertical axis, and the force exerted by the wind causes the vane to align with the wind direction. By measuring the torque or force on the vane, an estimate of wind speed can be derived.
Remote Sensing Techniques: Remote sensing methods use various technologies to estimate wind speed without direct contact with the atmosphere. Some commonly used remote sensing techniques include:
a) Doppler Radar: Doppler radar measures the frequency shift of radio waves reflected off particles in the air (such as raindrops or dust) to estimate the wind speed. By analyzing the Doppler shift, meteorologists can determine the wind speed at different altitudes.
b) LIDAR (Light Detection and Ranging): LIDAR uses laser beams to measure wind speed by analyzing the backscattered light from aerosols or particles in the air. The Doppler effect is utilized to calculate wind speed based on the frequency shift of the reflected laser light.
c) Sodar (Sound Detection and Ranging): Sodar works on similar principles as LIDAR but uses sound waves instead of laser beams. Sodar devices emit sound waves that bounce off atmospheric turbulence, and the frequency shift of the reflected waves is used to estimate wind speed at different altitudes.
Weather Stations: Weather stations equipped with anemometers and other meteorological instruments can provide accurate wind speed measurements. These stations are often operated by meteorological agencies and provide real-time data.
Weather Models: Numerical weather prediction models use complex mathematical equations to simulate atmospheric conditions, including wind speed. These models incorporate various atmospheric data, such as temperature, pressure, and humidity, to estimate wind speed at different locations and altitudes. Weather models are continually refined to improve accuracy but are best used for forecasting rather than real-time wind speed estimation.
The choice of method depends on the specific application, budget, and level of accuracy required. In many cases, a combination of methods is used to obtain a comprehensive understanding of wind patterns at a particular location.
To know more about wind speed:
https://brainly.com/question/31757250
#SPJ4
A box sits on a platform supported by a compressed spring. The box has a mass of 1.0 kg. When the spring is released, the spring gives 14.7 J of energy to the box. What will be the maximum height above the platform reached by the box before it begins to fall
The maximum height above the platform reached by the box before it begins to fall is 1.5 m.
The given parameters:
Mass of the box, m = 1.0 kgEnergy stored in the spring, E = 14.7 JThe maximum height above the platform reached by the box before it begins to fall is calculated as follows;
\(mgh = E\\\\h = \frac{E}{mg} \\\\h = \frac{14.7}{1 \times 9.8} \\\\h = 1.5 \ m\)
Thus, the maximum height above the platform reached by the box before it begins to fall is 1.5 m.
Learn more about potential energy here: https://brainly.com/question/1242059
A car accelerates from to at a constant rate of How far does it travel while accelerating?.
Distance is the measure of the length of ground covered by an object during its motion. Distance is a scalar quantity. The car will travel 69 m while accelerating.
What is the distance?
Distance is the measure of the length of ground covered by an object during its motion. While the displacement is defined as the shortest distance between the two paths.
Distance is a scalar quantity. While displacement is a vector quantity. Mathematically it is given as the product of speed and time.
The following data are given in the problem as
u is the initial speed=5.0 m/sec
v is the final speed=21 m/sec
s is the distance covered by the car =?
a= Acceleration of car =3.0 m/sec²
According to Newton's third equation of motion, the formula derived will be
\(\rm{v^2=u^2+2as \\\\\)
\(\rm s = \frac{v^2-u^2}{2a} \\\\\rm s = \frac{(21)^2-(5)^2}{2\times3.0} \\\\ \rm s=69 m\)
Hence the car will travel 69 m while accelerating.
To learn more about the distance refer to the link;
https://brainly.com/question/989117