A baseball player hits a 0.155 kilogram fastball traveling at 44.0 m/sec into canter field at a speed of 50 m/sec. If the impact last for 0.00450 second, with what force does he hit the baseball?

Asilver dollar is dropped from the top of a building that is 1324 feet tall. use the position function below for free-falling objects. s(t) = −16t2 + v0t + s0 (a) determine the position and velocity functions for the coin. s(t) = v(t) = (b) determine the average velocity on the interval [1, 2]. ft/s (c) find the instantaneous velocities when t = 1 second and t = 2 seconds. v(1) = ft/s v(2) = ft/s (d) find the time required for the coin to reach the ground level. (round your answer to three decimal places.) t = s (e) find the velocity of the coin at impact. (round your answer to three decimal places.) ft/s

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The strong nuclear force acts over a small distance than the electrostatic force. true or false