A golfer hits a ball at a 38° angle to a 6.0 m elevated
green, and it lands 72 m away on the green.
a. Determine the flight time for the ball.
b. Determine the ball's speed when it leaves the club.

Hot objects contain more energy and emit photons at higher frequencies and shorter wavelengths compared to cool objects. Cool objects appear redder in color than hot objects.

Hot objects have a higher internal energy compared to cool objects. This higher energy is manifested in the form of increased thermal motion of particles within the object. As a result, hot objects emit more energy in the form of photons.

When it comes to the emission of photons, hot objects emit more photons at higher frequencies and shorter wavelengths. This is because the energy of individual photons is directly proportional to their frequency. Hotter objects have more energetic particles, leading to the emission of photons with higher frequencies and shorter wavelengths.

On the other hand, cool objects emit fewer photons and at lower frequencies and longer wavelengths. The lower energy of the particles in cool objects results in the emission of photons with lower frequencies and longer wavelengths.

In terms of color appearance, cool objects appear redder than hot objects. This is because cooler objects emit more photons in the red part of the electromagnetic spectrum, while hotter objects emit more photons in the blue part of the spectrum.

Learn more about frequencies here:

https://brainly.com/question/30333783

#SPJ11

Answer:

B and C

Explanation:

Energy is simply defined as the capacity to do work and according to the law of conservation of energy (first law of thermodynamics), energy can neither be created nor destroyed but can, however, be converted from one form to another.

An object can have more than one form of energy at a time. For example, a moving object possesses kinetic energy and can also possess heat energy due to the heat generated while overcoming frictional force.

Option A negates the law of conservation of energy while option D is grossly incorrect.

The correct options are B and C.

The frequency of this microwave is 9.375 x 10^9 Hz

The frequency of a certain microwave having a wavelength of 0.032m will be 9.375 x 10^9 Hz.

Let:

Using the relation between frequency and wavelength:

                                    v = f.λ

                                    c = f(0.032m)

                  3 x 10^8m/s = f(0.032m)

                                     f = 3 x 10^8/0.032

                                    f = 9.375 x 10^9 Hz

Electromagnetic Waves always travel at the speed of light. Electromagnetic Waves possess both electric and magnetic fields aligned perpendicularly to each other.

Learn more about EM Waves:

https://brainly.com/question/13803241

The imaginary, huge, apparently moving sphere on which the stars appear to be mounted is called the celestial sphere.

The celestial sphere is a concept used in astronomy to represent the appearance of the stars as if they are fixed on a gigantic sphere surrounding the Earth. It is a helpful tool for astronomers to study the positions and movements of celestial objects, such as stars, planets, and galaxies.

Although the celestial sphere is an imaginary construct, it provides a convenient reference frame for locating and observing celestial objects. It allows astronomers to measure the positions of stars and track their apparent motion across the sky. By using coordinates on the celestial sphere, such as declination and right ascension, astronomers can precisely describe the location of a celestial object.

One important thing to note is that the celestial sphere is not a physical object but rather a way of visualizing the sky. It is an imaginary projection of the Earth's equator and celestial poles onto the sky. The celestial equator is a projection of the Earth's equator onto the celestial sphere, while the celestial poles are projections of the Earth's North and South Poles.

To summarize, the celestial sphere is an imaginary, huge, apparently moving sphere on which the stars appear to be mounted. It helps astronomers study and understand the positions and movements of celestial objects.

To know more about celestial sphere refer to:

https://brainly.com/question/14839466

#SPJ11

Answer:

dang it its so long :(

Explanation:

Answer:

When two waves meet in such a way that their crests line up together, then it's called constructive interference. The resulting wave has a higher amplitude. In destructive interference, the crest of one wave meets the trough of another, and the result is a lower total amplitude.

Blizzards are severe weather events that require careful attention and preparedness. It is important to stay informed about weather forecasts, follow safety guidelines, and take necessary precautions to minimize risks and ensure personal safety during these hazardous conditions.

Let's summarize the points you mentioned:

1. Reduced visibility: The combination of heavy snowfall and strong winds reduces visibility, making it challenging to see and navigate. This poses a significant risk for travelers, as it increases the likelihood of accidents and getting lost.

2. Low temperatures: Blizzards are often accompanied by frigid temperatures. Exposure to extreme cold can lead to hypothermia and frostbite, which are serious health hazards. It is crucial to take precautions to stay warm and protect oneself from these cold temperatures.

3. Snow accumulation and structural damage: The heavy snowfall during a blizzard can accumulate rapidly, placing excessive weight on roofs and structures. This can lead to roof collapses and other structural damage, posing risks to both property and people inside.

4. Power outages: High winds during a blizzard can cause power lines to snap or become damaged. This results in widespread power outages, leaving affected areas without electricity, heating, and other essential services. The lack of power can further exacerbate the dangers and challenges posed by the blizzard.

To know more about  weather forecasts visit:

https://brainly.com/question/1968809

#SPJ11

The work done in stretching the spring from its natural length to 10 inches beyond its natural length is 112 lb·in.

The work done in stretching a spring is given by the formula:

\(\[ W = \frac{1}{2} k (x_f^2 - x_i^2) \]\)

In this case, the spring is stretched 4 inches beyond its natural length, so the initial displacement is 4 inches. The force required to hold the spring at this displacement is 16 lb. We can use Hooke's Law to find the spring constant:

\(\[ k = \frac{F}{x_i} = \frac{16 \, \text{lb}}{4 \, \text{in}} = 4 \, \text{lb/in} \]\)

Now, we can calculate the work done in stretching the spring to 10 inches beyond its natural length:

\(\[ W = \frac{1}{2} (4 \, \text{lb/in}) \left( (10 \, \text{in})^2 - (4 \, \text{in})^2 \right) = 112 \, \text{lb·in} \]\)

Therefore, the work done in stretching the spring is 112 lb·in.

To learn more about work done refer:

https://brainly.com/question/28356414

#SPJ11

Using everyday objects like a paperclip or a cent, monitoring the development of droplets, or using a soap bubble, one can illustrate surface tension at home or in the lab.

With a force tensiometer and a Du Noüy ring or Wilhelmy plate, surface tension can be detected. Or you might use an optical tensiometer and the pendant drop technique.

A stalagmometer is a device used to calculate surface tension using the stalagmometric method. . A stactometer or stalogometer is another name for it. A hygrometer is a type of weather instrument used to gauge the humidity level in the air.

To know more about surface tension visit:

https://brainly.com/question/11348644

#SPJ1

Their wavelengths for an FM radio frequency of 88 MHz is 34.1 cm and for a frequency of 108 MHz 27.8 cm.

The wavelength of an electromagnetic wave is inversely proportional to its frequency. So, the higher the frequency, the shorter the wavelength.

what is The formula to calculate the wavelength (λ) of an electromagnetic wave is ?

λ = c / f

where c is the speed of light (3 x 10^8 meters per second) and f is the frequency in hertz.

So, for an FM radio frequency of 88 MHz, the wavelength can be calculated as follows:

λ = c / f = 3 x 10^8 / 88 x 10^6 = 0.0341 meters = 34.1 cm

And for a frequency of 108 MHz:

λ = c / f = 3 x 10^8 / 108 x 10^6 = 0.0278 meters = 27.8 cm

These are the approximate wavelengths for FM radio frequencies in the range of 88 MHz to 108 MHz.

To learn more about wavelength follow the given link: https://brainly.com/question/29790283

#SPJ4

Answer:

I would say the answer is the wave of 21.000Hz

Explanation:

Because it has more frequency, and as more frequency you add, the time or longer period also increases.

When a solid object is suspended from a spring scale and submerged, the gravitational force exerted on it is still 5.00 N. This is because the object's mass and weight remain constant regardless of its location.

However, the scale may display a different reading due to the buoyancy force acting on the object.

Buoyancy is the upward force exerted by a fluid on an object partially or fully immersed in it. If the buoyancy force is greater than the object's weight, it will float. If it is less than the object's weight, it will sink.

Therefore, the reading on the scale may be less than 5.00 N if the object is floating or more than 5.00 N if the object is sinking.

Understanding the relationship between buoyancy and gravitational force is essential in many fields, including engineering, physics, and marine biology.

To Learn more about gravitational  Click this!

brainly.com/question/29998413

#SPJ11

If the magnetite is aligned with the south pole, it indicates that the magnetite possesses a north pole. Magnetite is a naturally occurring mineral that exhibits strong magnetic properties. Like any magnet, it has two magnetic poles, the north pole and the south pole.

In a magnet, opposite poles attract each other, while like poles repel each other. The north pole of a magnet is attracted to the south pole of another magnet, while the north poles repel each other, as do the south poles.

Therefore, if the magnetite is aligned with the south pole, it means that the opposite, or north pole, is pointing in the opposite direction. The alignment of the magnetite with the south pole suggests that the north pole of a magnet would be attracted to it. This corresponds to the concept of magnetic polarity, where the north and south poles of magnets exhibit opposite polarities and attract each other.

Understanding the polarity of magnets is essential in various applications, such as magnetic compasses, electric motors, and magnetic storage devices. The proper alignment and recognition of the north and south poles are crucial for utilizing the attractive and repulsive properties of magnets in different technological and scientific contexts.

To know more about Magnetite visit-

brainly.com/question/29724230

#SPJ11

Answer:

Lightning is seen earlier than the thunder because speed of light is more than the speed of sound. Therefore, even though both occurs as same time and place in the sky, lightning is seen earlier.

Answer:

\(QUESTION:-\)

Lightning and thunder take place in the sky at the same time and at the same distance from us. Lightning is seen earlier and thunder is heard later, Explain why?

\(ANSWER:-\)

Speed of the light \((3 \times {10}^{8} m/s)\) is more than speed of sound \((332 m/s)\). Thus,lightning is seen first which is accompanied by thunder later.

Density is the ratio of mass to volume of an object. To calculate the density of the moon, we will use the formula:ρ = m/V where ρ is the density, m is the mass, and V is the volume.

The volume of a sphere is given as:V = (4/3)πr³where r is the radius of the sphere. The diameter of the moon is given as 3475 km,  its radius is:r = (3475/2) km = 1737.5 km = 1.7375 x 10⁶ m Substituting the values of m and V in the formula for density,

we have:ρ = m/V= (7.35 x 10²² kg)/[(4/3)π(1.7375 x 10⁶ m)³]= 3.35 g/cm³ , the density of the moon is approximately 3.35 g/cm³.b) .

We can calculate the final velocity of the car by using the formula:v² = u² + 2 as where v is the final velocity, u is the initial velocity, a is the acceleration, and s is the distance traveled.

Substituting the values given, we have:v² = (0 m/s)² + 2(4.5 m/s²)(110 m)= 990 m²/s² Taking the square root of both sides, we get:v = √(990 m²/s²)≈ 31.4 m/s  , the final velocity of the car is approximately 31.4 m/s.

To know more about density visit:

https://brainly.com/question/29775886

#SPJ11

Answer:

Light blue

Wbu

Answer: Blue

Explanation:

The frequency of the object's motion is 1/19 Hz

Given that an object moves around a circle of radius 10 meters in 19 seconds.

We need to find the frequency of the object's motion.

Formula for the frequency of the object's motion

Frequency of the object's motion is defined as the number of cycles completed by an object in one second. It is denoted by "f" and measured in hertz (Hz).

f = 1/Twhere,T is the time taken by the object to complete one cycle.

We have the radius of the circle, not the diameter or circumference of the circle.

Therefore, we need to find the circumference of the circle using the radius of the circle.

Circumference of the circle = 2πr= 2 x π x 10 = 20π

The object completes one full cycle to come back to its original position after it moves around the circle.

So, the time taken by the object to complete one cycle (T) = 19 seconds

Therefore, the frequency of the object's motion,f = 1/T= 1/19 Hz

Let us know more about motion : https://brainly.com/question/12640444.

#SPJ11

Answer:

Explanation:For second hand, period = 1 min = 3660 s; frequency = 0.0166 Hz}\\\mbox{For minute hand, period = 1 hr = 3600 s; frequency = 2.77}\times10^{-4} Hz\\\mbox{For hour hand, period = 12 hrs = 4300 s; frequency = 2.3}\times10^{-5} Hz.

Answer:

Probably late but the change in motion of the man is in his speed, I know because every 0.2 seconds, he was gaining more distance as he was the previous 0.2 seconds. His acceleration positive because he was speeding up.

Explanation:

Hope it Helps!

( I realized he started off speeding up but then started slowning down so I am confused if you get this wrong Im so sorry.)

Acceleration is defined as the rate of change of the velocity of the body. The acceleration of the man is positive due to its increased velocity.

Acceleration is defined as the rate of change of the velocity of the body. Its unit is m/sec².It is a vector quantity. It requires both magnitudes as well as direction to define.

The acceleration of the man is positive because acceleration is the rate of change of velocity and the velocity of the person is increasing at an equal interval of time showing that the acceleration is increasing and positive in nature.

Hence due to successive velocity, the acceleration of the man is positive.

To learn more about acceleration refer to the link;

https://brainly.com/question/969842

To determine the initial acceleration of the steel shuttle, we need to use Newton's second law of motion, which states that the acceleration of an object is proportional to net force acting on it and inversely proportional to mass. A) initial acceleration of the steel shuttle is 14.24 \(m/s^2.\)

The net force on the shuttle is the tension in the elastic cord minus the force due to friction between the shuttle and the rail. We can write this as: Fnet = T - f where Fnet is the net force, T is the tension in the elastic cord, and f is the force due to friction.

To find the tension in the elastic cord, we can use the force components in the x and y directions: \(Tx = T cos(45°) = T/√2 Ty = T sin(45°) = T/√2\)Since the tension is given as 23.0 N, we have: Tx = Ty = \(23.0 N/√2\)

The force due to friction can be calculated using the coefficient of friction between steel and steel, which is typically around 0.6: f = μN where N is the normal force, which is equal to the weight of the shuttle, and μ is the coefficient of friction.

The weight of the shuttle can be found using the formula: W = mg where W is the weight, m is the mass, and g is the acceleration due to gravity.

We have: W = \(0.820 kg x 9.81 m/s^2\)  = 8.05 N Therefore: f = 0.6 x 8.05 N = 4.83 N The net force on the shuttle is: Fnet = T - f = 23.0 N/√2 - 4.83 N = 11.67 N

Finally, we can use Newton's second law to calculate the acceleration of the shuttle: a = Fnet / m = 11.67 N / 0.820 kg = 14.24 \(m/s^2\)Therefore, the initial acceleration of the steel shuttle is 14.24 \(m/s^2.\)

Know more about acceleration here:

https://brainly.com/question/30660316

#SPJ11

The image will form at the focal point

1/object + 1/image = 1/focal

If the object distance is infinite then the image distance equals the focal distance

A 20.0 kg cannonball is fired from a cannon with a muzzle speed of 100 m/s at an angle of 20.0°. Using conservation of energy, the maximum height reached by the cannonball is approximately 510.2 meters.

A cannon ball weighing 20.0 kg is launched from a cannon with an initial velocity of 100 m/s at an angle of 20.0° above the horizontal.

To determine the maximum height reached by the cannonball using the conservation of energy principle, we consider the conversion of kinetic energy into gravitational potential energy.

Initially, the cannonball has only kinetic energy, given by the equation KE = (1/2)mv², where m is the mass and v is the velocity.

At the highest point of its trajectory, the cannonball has no vertical velocity, meaning it has no kinetic energy but possesses gravitational potential energy, given by the equation PE = mgh, where h is the height and g is the acceleration due to gravity (approximately 9.8 m/s²).

Using the conservation of energy, we equate the initial kinetic energy to the maximum potential energy:

(1/2)mv² = mgh

Canceling the mass and rearranging the equation, we find:

v²/2g = h

Plugging in the given values, we have:

(100²)/(2*9.8) = h

Simplifying the equation, we find:

h ≈ 510.2 m

Therefore, the maximum height reached by the cannonball is approximately 510.2 meters.

To know more about maximum height refer here:

https://brainly.com/question/30878848#

#SPJ11

Answer:

mass 3.67 kg, density 600 kg/m3) is fitted

with lead (density 1.14 * 10^4 kg/m3) so that it floats in water with

0.900 of its volume submerged. Find the lead mass if the lead is fitted

to the block’s (a) top and (b) bottom.

In order to determine the density of a cylinder, we need to know its mass and volume. The mass of the cylinder is given as 29.2 grams, but the volume is not provided. Without the volume, it is impossible to calculate the density of the cylinder.

As for whether or not the cylinder will float in water, that also depends on its density. If the density of the cylinder is less than the density of water (1), then it will float. However, without knowing the density of the cylinder, it is impossible to determine whether or not it will float in water.

The tension T in the rope, if the gymnast hangs stationary on it, is 627.84 N. If a gymnast climbs a rope at an upward acceleration of 0.800 m/s^2, the rope will be under 691.84 N of stress.

If the gymnast slides down the rope at a speed of 0.800 m/s2, the tension T in the rope will be 563.84 N. A force throughout a medium's length is known as tension, particularly a force carried by a flexible medium like a rope or cable. An action-reaction pair of forces acting at each end of the mentioned elements is what is referred to as tension.

T = mg = 64 x 9.81 =627.84 N

T = 627.84 N [as V = Constant, A = 0, and F = 0]

T = m x (g+a) = 64 x 9.81+1 = 691.84 N

T is equal to m x (g-a) = 64 x (9.81 - 1) = 563.84 N

Learn more about tension here

https://brainly.com/question/1979898

#SPJ4

Answer:

\(Net_{F}\) = 750N - 750N = 0N

Explanation:

The forces are balanced and there is no average Net force

please mark as brainliest! It is appreciated

Hope this helps! :)

Answer:

0.119 s is the correct answer to this question.

Explanation:

As mentioned in the question

U=3.89\ m/s

a=-1.44\ m/s^2

S=4.8\ m

Consider the final speed of the softball covering the distance of 4.8m is v

Now using the equation

\(v^2=U^2+2aS\)

Putting the value of U, A, S in the previous equation we get

\(V^2=3.89^2-2\times 1.44\times 4.8\\V=3.7\ m/s\\\)

Now again using the equation

v=U+at

where U=intial velocity, t= time

Substituting the value of v, U, a

\(3.7=3.89-1.44\times t\\t=0.119\ s\\\)

Hence the slide time is 0.119 s