Acatapult fires a rock at 32 degree angle to the horizontal at a velocity of 160m/s at an oncoming vehicle. the vehicle is moving directly towards the catapult at a velocity of 35m/s. find: a) what distance should the vehicle be from the catapult at the instant the rock is released in order for the rock to hit the vehicle.
b) what is the time of flight of the rock.

Which is an example of an exothermic process?

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

Which describes increasing the efficiency of energy resource