A 615.00 kg race car is uniformly traveling around a circular race track. It takes the race car 20.00 seconds to do one lap around the 80.00 m radius circular track. What is the frequency of the race car's circular motion?

Answer:

45

Explanation:

The mass number is 80

Proton number is 35

A-P=n

80-35=45

The graph that corresponds to 0.1 s in one complete cycle is graph D.

option D is the correct answer.

The period of a wave is the time for a particle on a medium to make one complete vibrational cycle. Period, being a time, is measured in units of time such as seconds, hours, days or years.

Also, the period of a wave is the amount of time it takes for a wave to complete one wave cycle or wavelength.

From the given parameter, the coil rotates 10 times in one second. The period of the coil is calculated as;

Period = 1 s / 10

Period = 0.1 s

From the graphs, the only option that has one complete cycle in one second is option D.

Check option D, half cycle is 0.05 s and one full cycle is 0.1 s.

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The acceleration of the textbook is a = F/m = 2.0 N/1.33 kg = 1.5 m/s². and the final velocity of the textbook is v = 0 + (1.5 m/s²)(0.75 s) = 1.125 m/s.

Acceleration is the rate at which an object changes its velocity over time. It is a vector quantity, meaning it has both magnitude and direction. An object's acceleration can be calculated by measuring the change in its velocity over time.

The net force acting on the textbook is the difference between the pushing force of 4.0 N and the frictional force of 2.0 N, which is 2.0 N.
According to Newton's Second Law, this net force of 2.0 N will cause an acceleration of the textbook given by the equation F = ma, where m is the mass of the textbook (1.33 kg) and a is the acceleration.
Therefore, the acceleration of the textbook is a = F/m = 2.0 N/1.33 kg = 1.5 m/s².

The final velocity of the textbook can then be calculated using the equation v = v0 + at, where v0 is the initial velocity (0 m/s, since the textbook was initially at rest), a is the acceleration (1.5 m/s²), and t is the time the textbook was pushed (0.75 m).
Therefore, the final velocity of the textbook is v = 0 + (1.5 m/s²)(0.75 s) = 1.125 m/s.

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1. There must have been tectonic activity, including active volcanoes, on the Moon.

A significant rock of the lunar highlands is called lunar anorthosite, which developed as a result of plagioclase flotation in the lunar magma ocean (LMO). A key to understanding the early magmatic history of the terrestrial planets is to place restrictions on the necessary circumstances that led to the creation of a thick pure anorthosite (mode of plagioclase >95 volume%). Plagioclase must have separated from the magma ocean with a low crystal percentage in order to produce pure lunar anorthosite.

The worldwide magma ocean and the formation of a hot, youthful Moon are both suggested by the massive impact theory for the genesis of the Moon. A floatation crust made of plagioclase crystals or anorthosite crust might result from such a magma ocean. Because they anticipated interstitial melt would freeze, early predictions of the projected anorthosite concentration of the lunar highlands crust did not match first observations of Apollo samples, and more subsequent calculations have not matched Clementine measurements or SELENE data. We examine a physical model of a magma ocean with an accumulating floatation lid and discover that, even when credible compaction viscosities are taken into account as a potential inhibitor, considerable melt escape is still possible for appropriate physical parameters and melt migration durations.

This model supports data by allowing more nearly pure lunar anorthosites. This suggests that impact mixing and tidal heating are required to account for the disparity. The model has considerable trouble describing the ejection of melt for the near-surface crust (up to five kilometers in depth).

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The sound would have a wavelength of about  9.8 * 10^-3 m.

The wavelength is a characteristic of a wave that describes the distance between two successive points in the wave that are in phase, or the distance over which the wave's shape repeats. It is typically denoted by the Greek letter lambda (λ) and is measured in meters (m) or other units of length.

Given that the speed of sound in air is 343 m/s

v= λf

λ = v/f

λ =  343 m/s/3.5x10^4 Hz

λ =  9.8 * 10^-3 m

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Answer:

Answer is letter B

Answer:  THE CORRECT ANSWER IS :  The partiles that make up material B are more closely packed together than the partiles that make up material A

Explanation:     I TOOK THE TEST    apex

Answer:

a = 5 m / s²   and    x = 562.5 m

Explanation:

Let's apply the kinematics relations

          v = v₀ + at

          v² = v₀² + 2a x

In this case, as the car stops, its final speed is zero (v = 0) and the acceleration must be opposite to the speed, that is, negative

           0 = v₀ - a t

           a = v₀ / t

let's calculate

           a = 75/15

           a = 5 m / s²

let's look for the distance

           0 = v₀² - 2a x

           x = v₀² / 2a

let's calculate

           x = \(\frac{75^2}{2 \ 5 }\)

           x = 562.5 m

Answer:

Below

Explanation:

They are not equivalent. but to find out the mass which weighs Newtons

   divide Newtons by 'g '         Newtons/ (9.81 m/s^2) = KG   (on earth)

Answer:

0.08

Explanation:

We can represent the situation with the following figure

Now, by the conservation of energy, we can write the following equation

Where m is the mass, vi is the initial velocity, g is the gravity, h is the height, Ff is the force of friction, d is the distance traveled by the sledge, and vf is the final velocity.

Using the free body diagram, we get that the force of friction is equal to

Now, we can replace the expression for Ff in the equation above and solve for the coefficient of friction μ

Replacing g = 9.8 m/s², d = 16 m, vi = 3 m/s, h = 8 m, and vf = 12 m/s, we get

Therefore, the coefficient of friction is 0.08

Answer:

A - 0 N

plz mark 5 stars, thanks, and brainliest

Answer:

hello your question is not properly structured  below is the complete question

. Consider the discussion in Section 1.3 of packet switching versus circuit switching in which an example is provided with a 1 Mbps link. Users are generating data at a rate of 100 kbps when busy, but are busy generating data only with probability . Suppose that the 1 Mbps link is  replaced by a 1 Gbps link. a. What is N, the maximum number of users that can be supported simultaneously under circuit switching?

answer : N = 1000 users

Explanation:

The maximum number of users (n) that can be supported simultaneously under circuit switching

N =    Total transmission  / rate of data generation by users

Total transmission  = 1 Gbps = 1 * 10^9 bps

rate of data generation by user = 100 kbps = 10 * 10^4 bps

hence the maximum number of users that can be supported simultaneously

= ( (1* 10^9) / (10 * 10^4) )

= 10000 users

Answer:

Max height= 36000 meters

Total Time = 120 seconds

Explanation:

0 = U - at

U = at

U= 20*60

U= 1200 m/s

MAX altitude would be

(U²Sin²tita)/2g

Max height= 1200² *( SIN90)²/(2*20)

Time of FLIGHT

2 * 1200/20

2400/20

120 sec onds

The true statements are:Jupiter's Great Red Spot is in the southern hemisphere.The fastest wind speed recorded in our solar system is on Neptune.

Among the given statements, only two are true. Jupiter's Great Red Spot, a massive storm, is indeed located in the southern hemisphere of the planet. The Great Red Spot is a prominent feature on Jupiter, visible as a giant swirling storm system. On the other hand, the fastest wind speed recorded in our solar system, reaching speeds of up to 2,100 kilometers per hour (1,300 miles per hour), is found on Neptune.

The strong winds on Neptune contribute to its dynamic atmosphere and the formation of features like the Great Dark Spot. The remaining statements about Pluto, Saturn's moon Enceladus, and Uranus are not true according to our current understanding.

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When electrons are lost a positive ion is formed. When electrons are gained, a negative ion is formed. I hope this helps

The muscles in the human body which connect to bones and aid in the movement are called the skeletal muscles.

Skeletal muscle, also called voluntary muscle, is the most common of the three muscle types found in vertebrates. Skeletal muscles are attached to bones by tendons and generate all movements of body parts in relation to each other. Skeletal muscle makes up 30-40% of the body. They are muscles that connect to bones and allow them to perform various movements and functions. Skeletal muscles are voluntary. This means you can control when and how it works. Two muscles, flexors, and extensors are involved in bone movement.

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Answer: (3) 25°N, 158°W

Explanation:

The Hawaii Hotspot is one of the most popular on the planet and is the reason the Hawaii islands were created as it created volcanoes under the Hawaii islands that erupted as the Pacific plate moved over them and then the lava cooled thereby forming the different Hawaii islands.

The approximate location of the hotspot is 25°N, 158°W in the pacific ocean.

Using this formula m=W/g, the mass of an object if its weight on earth is 1150N is 117.347 kg

Let mass of an object be m, weight be W and acceleration due to gravity is g.

From the formula m=W/g

mass m =?

weight w = 1150N

g=9.8 m/\(s^{2}\)

So,  the mass of an object if its weight on earth is 1150N will be calculated as:

m=1150/9.8

m=117.347 kg

Hence using the formula m=W/g, the mass of an object if its weight on earth is 1150N will be 117.347 kg.

This is in acceptance with Newton's laws of motion as well and thus calculated according to given formula.

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a = 150 / ma is the magnitude of Tom's acceleration. So, the answer is m/s²

(a) The force experienced by the sister is less than the force experienced by Tom.

(b) Tom's acceleration is more than the sister's acceleration. They both have the same force and different acceleration. (c)Given that:Water skier's acceleration = 3.0 m/s²

Acceleration is defined as the rate at which the velocity of an object changes with time. Acceleration = Change in velocity / Time

Therefore, if Tom's acceleration is "a," we can find it using the following formula:Force = Mass × Accelerationa = F / m

We are given that the force experienced by Tom is 150 N.

Also, Tom's mass is not given, but we can assume it to be "m." Therefore,a = 150 / ma is the magnitude of Tom's acceleration. So, the answer is m/s².

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The spectrum observed from the Sun (or any star) would exhibit an absorption spectrum. This is because the outer gaseous atmosphere of the star absorbs specific wavelengths of light, resulting in dark absorption lines in the spectrum.

In the cooler, lower-density outer atmosphere, where white light from the star travels, some atoms or molecules in the atmosphere absorb photons with particular energy. In the spectrum, these absorptions show up as black lines at specific wavelengths. The specific set of absorption lines that each element or molecule generates results in a distinctive pattern that can be used to identify the elements that are present in the star's atmosphere.

The absorption spectrum offers insightful data on the chemical make-up and physical characteristics of the star. Astronomers can ascertain the elements present, their abundances, and other characteristics like the temperature, pressure, and velocity of the star's atmosphere by examining the absorption lines.

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Answer:

75 volt

Explanation:

Current (I) = 5 A

Resistance (R) = 15 Ω

Voltage (V) = ?

We know

R = V/I

15 = v / 5

v = 75 Volt

Answer: The ability to do work.

Explanation: Scientists define energy as the ability to do work. There is potential energy (where an object at rest has the capacity to have motion) and kinetic energy (where an object is in motion).

The conclusion that could be drawn about the magnetic fields around the moon is that "the moon no longer has a magnetic field."

Planets like Earth that have a liquid metal outer core produce magnetic fields. It's said that the planet's rotation causes the magnetic field. When the planet spins, the molten metal in the core moves, producing an electric current. As a result of the moving electric current, a magnetic field is formed around the planet.

Moons that do not have a molten metal core cannot produce magnetic fields. The moon's magnetic field is significantly weaker than Earth's magnetic field. The surface of the moon is scorched by the sun's radiation due to the absence of a magnetic field. So, the conclusion that can be drawn about the magnetic fields around the moon is that the moon no longer has a magnetic field.

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The phase of the moon when the moon is on the opposite side of the earth from the sun is the full moon. This happens when the sun, earth, and moon are aligned, with the earth in the middle.

The full moon appears when the sun’s light reflects off the entire surface of the moon, making it appear completely illuminated from our perspective on earth.Therefore, option A is the correct answer: The full moon.

When the moon is on the opposite side of the Earth from the sun, it is in the full moon phase. During this phase, the sun illuminates the entire side of the moon facing the Earth, making it appear fully lit and round. This occurs because the sun, Earth, and moon are aligned in a straight line, with the Earth in the middle. The full moon phase is characterized by a bright, round shape and is often considered the most visually striking lunar phase. It occurs approximately once every 29.5 days as the moon orbits around the Earth.

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Answer:

F = 2800 kg*m /s^2

Or F = 2800 N

The work done on the puck is -25 J, after  3 seconds, the puck comes to a stop and has no more kinetic energy.

Work done is described  as the amount of force needed to move an object a certain distance.

The work-energy principle states that the work done on an object is equal to the change in its kinetic energy.

The change in kinetic energy is:

ΔK = Kf - Ki = 0 - 25 = -25 J

Note that the  negative sign indicates that the kinetic energy of the puck decreased.  

W = ΔK = -25 J

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By analyzing the change in a car's position on a video surveillance camera image between frames, its displacement can be estimated, allowing for the calculation of its position in the lane and speed, assuming clear lane markings and a constant distance from the camera.

The position of a car can be estimated in a lane with the help of a video surveillance camera. When a car moves from one frame of a video to the next, the change in the position of the car on the camera image is proportional to its actual displacement, which can be used to estimate its position in the lane. The image position of a car can be used to estimate its position in the lane with the following process:

When a car enters the field of view of the camera, its position on the camera image is identified. The position of the car in the next frame is then identified. The change in the position of the car in the image between the two frames is proportional to the car's actual displacement. The distance of the car from the lane marking can be estimated from the position of the car in the image. The center of the car is assumed to be at an equal distance from the two lane markings. The distance of the car from the camera can be assumed to be constant to get an estimate of the car's speed.

The process to calculate the speed of the car is given below:

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Answer:

Check something like "Radio Amateurs Handbook" for table

position 1 - Yellow - 4    first significant figure

position 2 - Red     - 2    second significant figure

position 3 - Blue      - 1 megohm multiplier

position 4 - gold       tolerance

The resistor is 42 megohms with a tolerance of 5%

The predicted resistance of a resistor with yellow, red, blue, and gold color bands in that order is 42 megaohms +/- 5%.

Resistors are electronic components used in circuits to limit the flow of current. They come in different shapes, sizes, and values, and their values are usually indicated by color-coded bands. In this question, we are asked to determine the predicted resistance of a resistor with yellow, red, blue, and gold color bands in that order.

To determine the predicted resistance of a resistor, we need to decode the color bands and use a resistor color code chart. The color bands on the resistor are read from left to right, starting with the band closest to the end that has a wider separation between the color bands.

In this case, the first band is yellow, which represents the digit 4. The second band is red, which represents the digit 2. The third band is blue, which represents the multiplier 10^6. The fourth band is gold, which represents the tolerance of the resistor.

Using these values, we can calculate the predicted resistance of the resistor. The first two digits (4 and 2) represent the significant figures, which are 42. The third digit (blue) represents the multiplier, which is 10^6. Therefore, the resistance of the resistor is:

R = 42 x 10^6 Ω

We can also determine the tolerance of the resistor from the fourth gold band. Gold represents a tolerance of +/- 5%, which means that the actual resistance of the resistor can be within 5% of the predicted resistance.

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Answer:

16 m/s

Explanation:

First, find the displacement in the east direction.

x = (15 m/s sin 45°) (3600 s) + (18 m/s cos 5°) (3600 s)

x = 102,737 m

Next, find the displacement in the north direction.

y = (15 m/s cos 45°) (3600 s) + (18 m/s sin 5°) (3600 s)

y = 43,831 m

Find the magnitude of the displacement.

d = √(x² + y²)

d = √((102,737 m)² + (43,831 m)²)

d = 111,697 m

Finally, find the resultant velocity.

v = d / t

v = (111,697 m) / (7200 s)

v = 15.5 m/s

Rounded to the nearest whole number, the resultant velocity is 16 m/s.

A big machine is composed of several moving and stationary parts. Some of these parts are in a state of constant motion hence they periodically rub against each other.

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