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A baseballs has mass 0.145 kilogram.
(a) If the velocity of a pitched ball has a magnitude of 50 meter per second and the batted ball's velocity is 61.0 m/s in the opposite direction, obtain the magnitude of the change in momentum of the ball and of the impulse applied to it by the bat.
(b) If the ball remains in contact with the bat for 2 milliseconds, obtain the magnitude of the average force applied by the bat.
a 32.0 kg child slides down a long slide in a playground. she starts from rest at a height h1 of 20.00 m. when she is
300 J of work are done to compress the gas as, in the same process, 1200 J of heat energy are transferred from the gas to the environment. Afterward, what is the rms speed of the molecules.
The land speed record of 13.9 m/s (31 mi/h) for birds is held bythe Australian emu. An emu running due south in a straight line atthis speed slows down to a speed of 10.5 m/s in 3.3 s.Assuming that the acceleration remains the same, what is the bird'..
A pipe is horizontal and carries oil that has a viscosity of 0.15 Pa · s. The volume flow rate of the oil is 4.6 10-5 m3/s. What is the absolute pressure at the input end
The driver of one car sounds a 365 Hz frequency horn and the driver of the other car hears a frequency of 392 Hz, Determine the speed of both cars
A circuit consists of a battery with a closed circuit, a terminal voltage of 12.0 V, and 1.0-?, 2.5-?, 5.0-?, and 7.5-? resistors connected in series, oriented as in figure a above, Calculate the total power dissipated by the load resistors
What is the advantage of the new crumple zone design in new car's today when they are in a car crash, explain answer from a physics standpoint?
Two carts A and B of equal mass mA = mB = 0.622 kg are on an air track. Cart A is moving with speed vi = 0.95 m/s towards cart B which is at rest. What is the work done by non-conservative forces
A particle of mass M is at rest at x=1. The potential energy is given by U=-Ax+C. Assume that the force associated with U is the only force acting on the particle. Find the force acting on the block
A 1.0--tall vertical tube is filled with 20o water. A tuning fork vibrating at 574 is held just over the top of the tube as the water is slowly drained from the bottom.
In one minute of rotation, through how various revolutions did fan turn?
question a proton enters a uniform magnetic field that is at a right angle to its velocity. the field strength is 0.50
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