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Q1. The suspended 2.82 kg mass on the right is moving up, the 2.2 kg mass slides down the ramp, and the suspended 8.1 kg mass on the left is moving down. There is friction between block and ramp. What is the acceleration of a three block system?
Q2. A hockey puck has a mass of 0.1010kg and is at rest. A hockey player makes a shot, exerting a constant force of 28.0N on the puck for 0.16s. With what speed does it head toward the goal?
Inertia and torque of the rotating bodies.
How do you establish the value of theta
Now the gymnast (not holding any additional mass) walks directly above right support. What is the force the left support exerts on beam.
Use approximate calculations assuming constant current during the output pulse. Calculate the ampere-hour rating of the battery so it lasts for five years.
What is the velocity of each ball after the elastic collision? What will be the highest height of each ball after the elastic collision .
Find out the object position p for the image to be erect and 7 times the size of the object. Focal length is 46 cm.
A 18.0 kg block is dragged over a rough, horizontal surface by a constant force of 77.6 N acting at an angle of 35? above the horizontal. The block is displaced 10.8 m, and the coefficient of kinetic friction is 0.149.
Calculating plants maximum possible thermal and actual efficiency.
A sanding disk with rotational inertia 2.4 10-3 kg•m2 is attached to an electric drill whose motor delivers a torque of 8 N•m about the central axis of the disk. What are the following values about the central axis at the instant the torque has been ..
Assume the charge on black hole is 5740 C. At what distance from it is the electric potential equal to 1100 V.
What is coefficient of kinetic friction
Two pellets, each with charge 5 microcoulomb (1 microcoulomb = 0.000001 coulombs), are located 0.5 m apart. What is electrical force between the charges.
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