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Get college assignment help at uniessay writers A cylinder is rolling along the ground without the slipping at 7m/s. It comes to a hill and begins going up. Assuming no losses to friction, how high vertically will it go before it stops?

A regulation volleyball court is L = 18.0 m long and

A regulation volleyball court is L = 18.0 m long and a regulation volleyball net is d = 2.43 m high. A volleyball player strikes the ball a height h = 1.53 directly above the back line, and the ball’s initial velocity makes an angle = 59 degrees with respect to the ground

A small omnidirectional stereo speaker produces waves in all directions that

A small omnidirectional stereo speaker produces waves in all directions that have an intensity of 9.00 W/m^2 at a distance of 3.50 m from the speaker. a) At what rate does this speaker produce energy? _______W b) What is the intensity of this sound 10.0 from the speaker? _______W/m^2 c) What is the total amount of energy received each second by the walls (including windows and doors) of the room in which this speaker is located? _______J

Two train whistles, A and B, each have a frequency of410

Two train whistles, A and B, each have a frequency of410 .A is stationary and B is moving toward the right (away from A) at aspeed of 35.0 .A listener is between the two whistles and is moving toward theright with a speed of 15.0 .What is the frequency from A as heard by the listener?What is thefrequency from B as heard by the listener?and What is the beatfrequency detected by the listener?

A 0.004-kg bullet is fired into a 0.200-kg block of wood

A 0.004-kg bullet is fired into a 0.200-kg block of wood at rest on a horizontal surface. After impact, the block with the embedded bullet slides 8.00 m before coming to rest. If the coefficient of friction is 0.400, what is the speed of the bullet before impact?

“A small omnidirectional stereo speaker produces waves in all directions that

“A small omnidirectional stereo speaker produces waves in all directions that have an intensity of 9.00 W/m^2 at a distance of 3.50 m from the speaker. a) At what rate does this speaker produce energy? _______W b) What is the intensity of this sound 10.0 from the speaker? _______W/m^2 c) What is the total amount of energy received each second by the walls (including windows and doors) of the room in which this speaker is located? _______J

The scale of a spring balance reading from 0 to 190

The scale of a spring balance reading from 0 to 190 has a length of 13.0 . A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.40 .

A person can jump a horizontal distance of 2.8 m on

A person can jump a horizontal distance of 2.8 m on Earth. How far could the person jump on the moon, where the free-fall acceleration is g/6 and g=9.81 m/s2?

Young’s double-slit experiment is performed with 526 nm light and a

Young’s double-slit experiment is performed with 526 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.52 mm from the central maximum. Determine the spacing of the slits.

How much work must be done to stop a 920 kg

How much work must be done to stop a 920 kg car traveling at 107 km/h? An 81 g arrow is fired from a bow whose string exerts an average force of 95 N on the arrow over a distance of 75 cm. What is the speed of the arrow as it leaves the bow? At an accident scene on a level road, investigators measure a car’s skid mark to be 68 m long. It was a rainy day and the coefficient of friction was estimated to be 0.38. Use these data to determine the speed of the car when the driver slammed on (and locked) the brakes A spring has a spring constant, k, of 435 N/m. How much must this spring be stretched to store 21 J of potential energy?

Chapter 9, Problem 32 A 3.0 kg toy car can move

Get college assignment help at uniessay writers Chapter 9, Problem 32 A 3.0 kg toy car can move along an x axis; Figure gives Fx of the force acting on the car, which begins at rest at time t=0. The scale on the Fx axis is set by Fxs = 5.0 N. In unit-vector notation, what is p at (a)t = 4.0 s and (b)t = 5.0 s,(c) what is v at t = 2.0 s?

A 46 kg pole vaulter running at 11 m/s vaults over

A 46 kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is 0.7 m/s. The acceleration of gravity is 9.8 m/s2 . Find her altitude as she crosses the bar. Neglect air resistance, as well as any energy absorbed by the pole. Answer in units of m.

I attach my homework, this is 3 time I send it.

I attach my homework, this is 3 time I send it.

For the first 12.0 {rm m} the floor is frictionless, and

For the first 12.0 {rm m} the floor is frictionless, and for the next 12.0 {rm m} the coefficient of friction is 0.16.

A space station is constructed in the shape of a wheel

A space station is constructed in the shape of a wheel 25 in diameter, with essentially all of its 5.1×105 mass at the rim. Once the station is completed, it is set rotating at a rate that requires an object at the rim to have radial acceleration , thereby simulating Earth’s surface gravity. This is accomplished using two small rockets, each with 150 thrust, that are mounted on the rim of the station.How long will it take to reach the desired spin rate?

A hollow ball is rolling along a horizontal surface at 3.7

A hollow ball is rolling along a horizontal surface at 3.7 m/s when it encounters an upward incline. If it rolls without slipping up the incline, what maximum height will it reach?

four point massess of 3.6 kg each are arranged in a

four point massess of 3.6 kg each are arranged in a square on massless rods. The length of a side of a squareis d=0.34m. (a) what is the rotational inertia for rotation about an axis passing through masses A and C.? (c) What is the rotational inertia for rotation about an axis passing through the center of the square and perpendicular to the plane of the square.

Multiple-Concept Example 8 and Conceptual Example 9 provide background that will

Multiple-Concept Example 8 and Conceptual Example 9 provide background that will help you understand the approach needed in this problem. A rectangular current loop is located near a long, straight wire that carries a current of 12 A (see the drawing). The current in the loop is 25 A. Determine the magnitude of the net magnetic force that acts on the loop.

A projectile is shot from the edge of a cliff h

A projectile is shot from the edge of a cliff h = 245 m above ground level with an initial speed of v0 = 135 m/s at an angle of 37.0° with the horizontal, as shown in Fig. 3-39. Figure 3-39. (a) Determine the time taken by the projectile to hit point P at ground level. 1 (b) Determine the range X of the projectile as measured from the base of the cliff. 2 km (c) At the instant just before the projectile hits point P, find the horizontal and the vertical components of its velocity (take up and to the right as positive directions). 3 m/s (horizontal component) 4 m/s (vertical component) (d) What is the the magnitude of the velocity? 5 m/s (e) What is the angle made by the velocity vector with the horizontal? 6° (below the horizontal)

A baseball outfielder throws a 0.150 kg baseball at a speed

A baseball outfielder throws a 0.150 kg baseball at a speed of 39.0 m/s and an initial angle of 33.0°. What is the kinetic energy of the baseball at the highest point of its trajectory?

Sam is recklessly driving 60mph in a 30mph speed zone when

Sam is recklessly driving 60mph in a 30mph speed zone when he suddenly sees the police. He steps on the brakes and slows to 30mph in three seconds. How far does he travel while breaking?

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