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A baseball weighing 150 g is moving in the negative x-direction toward a batter with an initial speed 40 m/s. The batter hits it back to move in the postivie x-direction with speed 36 m/s.
A) Calculate the impulse experienced by the baseball?
B) If the baseball had contact with the bat for 38 ms, what was the magnitude of the force exerted by the bat?
A vertical containery with base area measuring 14.0 cm by 17.0 cm is being filled with identical pieces of candy, each witha volume of 46.0 mm3 and a mass of 0.0208 g.
if two springs are attatched to one another and a mass is added at the bottom, how would one find the potential energy of the springs
A fugitive tries to hop on a freight train traveling at a constant speed of 4.8. What is the distance traveled to reach the box car
Water discharges from a horizontal pipe at the rate of 5.00 x 10-3 m3/s. At point A in the pipe where the cross-sectional area is 2.00 x 10-3 m2, What is the velocity of the water at point A
As a spacecraft approaches a planet, the rocket engines on it are fired (turned on) to slow it down so it will go into orbit around the planet. how long (in minutes) must the engines be fired
Sirius is about 9.0 light-years from Earth. How far is the trip according to you and How long would the trip take according to an Earth-based observer
If the pressure of the 1.8-cm3 volume is reduced to 1.8 × 10?11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
A father racing his son has two-fifths the kinetic energy of the son, who has one-third the mass of the father. The father speeds up by 1.0 m/s, What is the original speed of the father
A copper rod 20 cm long having a cross-sectional area of 7.0 cm2 is used to connect a boiler maintained at 100 oC to a large block of ice at 0 oC. What is the rate of change in entropy of the boiler
What is the mass of the block on the left. Find this angle of the thread.
A 96-kg man's thighbone has a relaxed length of 0.56 m, a cross-sectional area of 6.7 10-4 m2, By how much does the thighbone compress when the man is standing on both feet
An isotope of the element Thallium, Tl-206, undergoes beta decay with a half life of 3.1 minutes. what mass of the isotope will be left after 9.3 minutes have elapsed
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