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A CD has a mass of 17 g and a radius of 6.0 cm. When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 17 rad/s in 0.85 s. Assuming the CD is a uniform solid disk, determine the net torque acting on it.
A 64kg human sprinter can accelerate from rest to 10 m/s in 3.0s. What is the average power output of the greyhound
The only force on a 4.0-kg body as it moves along the x axis is given by F(subscript "x") = (14 - 6.1x) N, What is the maximum kinetic energy attained by the body
A large tank is divided into two parts by a partition. The first part contains 5 kg of refrigrtant-134a at 80oC, 900 kPa. Determine the work and heat transfer during this process
A particle undergoes two displacements, measured from the positive x-axis, with counterclockwise positive. Find the angle of the second displacement
a boat takes 3.00 hrs to travel 25.0 km down a river then 6.00 hrs to return. how fast is the river moving
A certain type of laser emits light that has a frequency of 4.9 × 1014 Hz. How many wavelengths are there in one pulse
You are to drive to an interview in another town, at a distance of 298 km on an expressway. What would be the least speed needed for the rest of the trip to arrive in time for the interview
A 72 man's arm, including the hand, can be modeled as a 78 -long uniform cylinder with a mass of 3.7, by how much does he raise his center of gravity
The moon is observed using a telescope that has an objective lens with a focal length of 3.0 m and an eyepiece with a focal length of 7.5 cm. What is the angular diameter of the moon
An air track glider undergoes a perfectly inelastic collision with an identical glider that is initially at rest. What fraction of the first gliders initial kinetic energy is transformed into thermal energy in this collision?
A capacitor should have charge of magnitude 4.5 microC on each plate, and an electric field of 2.0 kV/mm between the plates
Find the final velocity of the two balls if the ball with velocity v2i = ?21.4 cm/s has a mass equal to half that of the ball with initial velocity v1i = +25.8 cm/s
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