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Consider two masses (M=50 kg, m = 10 kg) connected by a string as shown below. The coefficient of kinetic friction between mass M and the inclined surface is ?k=0.1. Start by drawing the force diagram. g=9.8 m/s2.
a) Find the magnitude of frictional force acting on mass M
b) Acceleration of the system
c) Find the tension in the connecting string.
d) If initially at rest, how long would it take for the blocks to travel 1 m?
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The time-varying current in an LC circuit where C = 11.5?F is given by i(t) = (1.30 A) sin (1230t), where t is in seconds.
A mole of air in a closed container is initially at 300k. Suppose that you now add 10 J of heat to the air, without doing any work on it, what is the total thermal energy of the air
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How much Power does it take to accelerate the 70,000 lb rail car from rest to 10mph in 20 feet with 1ft dia. wheels.
A baseball pitcher throws a fastball at a speed of 45.00m/s. The acceleration occurs as the pitcher holds the ball in his hand and moves it throughout an almost straight-line distance of 4.0 m. compute the acceleration; assume that it is constant ..
An archer pulls her bowstring back 0.432 m by exerting a force that increases uniformly from zero to 227 N. What is the equivalent spring constant of the bow
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