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For the system shown , the block has a mass of 1.5 kg and the spring constant k=8.0 N/m . suppose that the block is pulled down a distance of 12 cm and released .if the friction force is given by - bv, where b=0.23 kg /s , find the number of oscillations made by the block during the time interval required for the amplitude to fall to one-third of its initial value.
A 965-kg satellite orbits the Earth at a constant altitude of 94-km. What is the change in the system's kinetic energy
Physics: Speed of car at bottom of driveway; initial speed of bullet, 20 A 2.10 x 10³ kg car starts from rest at the top of a 5.0 m long driveway that is sloped at 20° with the horizontal. If an average friction force of 4.0 x 10³ N impedes the mo..
A 1.65 block is attached to a spring with spring constant 17. While the block is sitting at rest, a student hits it with the hammer and almost instantaneously gives it a speed of 59.
If a heat engine is operating at a coefficient of performance of 2.50 and 3.00 J of heat is absorbed from the surroundings, determine the magnitude of heat expelled.
A potential difference V is applied to a wire of cross section A, length L, and resistivity ?. You want to change the applied potential difference, What should be the new values of L and A in terms of the old values
you are given a 5-loop standing wave. The velocity of the wave of the string is v= 10 m/s. What is the frequency of the wave on the string
A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 5.00 g coins stacked over the 6.0 cm mark, What is the mass of the meter stick
A rock climber stands on top of a 51 m high cliffoverhanging a pool of water. He throws two stones verticallydownward 1.0 s apart and observes that they cause a singlesplash. The initial speed of the first stone was2.4 m/s.
A particle with a charge of +8.4 µC and a speed of 45 m/s enters a uniform magnetic field whose magnitude is 0.32 T. find the magnitude and direction of the magnetic force on the particle
A constant force is applied to an object, causing the object to accelerate at 10m/s^2. What will the acceleration be if the force is halved
One of the most powerful cranes in the world operates in Switzerland. If it takes 1.00 min to lift the load at constant velocity to this height, find the power developed by the crane
Squaw Valley ski area in California claims that its lifts can move 48300 people per hour. estimate the maximum total power needed
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