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A bat strikes a 0.145-kg baseball. Just before impact, the ball is traveling horizontally to the right at 50.0m/s, and it leaves the bat traveling to the left at an angle of 30 degrees above horizontal with a speed of 65 m/s. If the ball and bat are in contact for 1.75 ms, find the horizontal and vertical components of the average force on the ball.
In an atwood's machine, one block has a mass of .6kg and the other a mass of .56 kg. What is the direction of the net torque on the pulley
A mass M=151 kg is suspended from the end of a uniform boom as shown. Calculate the tension in the horizontal cable
A rollercoaster car has a mass of 600 kg when fully loaded with passengers. what is the force of the track on the car at the top of the hill
A ball is fired at an angle of 45 degrees from ground level in the absence of air resistance. If the maximum range is 27m then what is its inital speed and what is the time of flight
A 9V battery is connected across a capacitor of 20uF through a switch which is initially open. What is the amount of charge that flows from the battery
At a pressure of 0.0760 atm a constant-volume ideal gas thermometer reads a temperature of 345 K. What is the thermometer's triple point pressure, Pt
A military helicopter on a training mission is flying horizontally at a speed of 75.0 when it accidentally drops a bomb (fortunately, not armed) at an elevation of 450 .How much time is required for the bomb to reach the earth? How far does it tra..
A worker pushes a 34 kg block 13m along a level floor at constant speed with a force directed 38° below the horizontal. If the coefficient of kinetic friction between block and floor was 0.19.
A 180-turn circular coil has diameter 5.35cm and resistance 1.25?. obtain the induced current in the coil
An ideal gas is taken through a quasi-static process described by P = alphaV2, How much work is done on the expanding gas in this process
Some human nerve cells have a long, thin cylindrical cable (the axon) from their inputs to their outputs. Determine the resistance of the fluid in this axon
An electron and a positron each of mass 9.1 x 10^-31 kg, are in the same general vicinity and have very small initial speeds
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