Two cars both start from rest and have the same constant acceleration. when radar is used to measure the velocity of each car, car a is found to be moving twice as fast as car b. at the instant the radar is used, car a has a displacement that is times as great as the displacement of car b.

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s

Find v1, the speed of the fluid in the left end of the main pipe. express your answer in terms of h1, h2, g, and either a1 and a2 or γ, which is equal to a1a2.