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A 47.5-g Super Ball traveling at 25.5 m/s bounces off a brick wall and rebounds at 21.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.70 ms, what is the magnitude of the average acceleration of the ball during this time interval?
A Carnot engine operates with a cold reservoir temperature of 194 K and has an efficiency of 74.3%. What is the temperature of the hot reservoir
A 10-turn square coil of area 0.036m2 and a 20-turn circular coil are both placed perpendicular to the same changing magnetic field. What is the area of the circular coil
an object with a mass of .40 kg moving with a speed of 25 ms is brought to rest after sliding on a rough surface. the
A Simple Harmonic Oscillator consisting of a 305 g mass and a spring is set oscillating on a smooth flat surface. If the greatest speed of the mass is 1.50 m/s and the spring constant of the spring is 2.00 N/m.
An arrow is fired with a speed of 23 m/s at a block of Styrofoam resting on a smooth surface. The arrow penetrates a certain distance into block before coming to rest relative to it. All through this process the arrow's deceleration has the magnit..
A step-down transformer has 30 turns of wire on one coil and 1200 turns on the other. what is the required rms input voltage
A car engine is initially rotating at 60 rad/s. It is then turned off and takes 5.00 s to come to a complete stop. What is the angular acceleration of the engine? Assume acceleration is constant.
q1. a dockworker applies a constant horizontal force of 79.0 to a block of ice on a smooth horizontal floor. the
On the screen of a multiple-slit system, the interference pattern shows bright maxima separated by 0.86° and seven minima between each bright maximum. How many slits are there
A 5.00g bullet is fired horizontally into a 1.30kgwooden block resting on a horizontal surface. What was the initial speed of the bullet
A 3700-lb automobile (m = 1600 kg) starts from rest on a level road and gains a speed of 45 mi/h (= 72 km/h) in 33 s. What is the average net power delivered to the car during the 33-s interval
x-rays are scattered from a target at an angle of 48.5deg with the direction of the incident beam. find the wavelength
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