WILL MARK BRAINLIEST PLS HELP!! A baseball of mass 0.3 kg is thrown up in the air and then falls back down. The ball stays in the air for 2 seconds. Assume (A) and (E) are at a height of O m.

a. How high does the ball go? (C)
b. What is its initial velocity? (A)
c. What is the ball's final velocity? (E)​

What is work? how much work is done to move an object 0 meters?

The car hoist allows the car to be driven onto the platform, after which the rear wheels are raised. if the loading from both rear wheels is 1380 lb, determine the force in the hydraulic cylinder ab. neglect the weight of the platform itself. member bcd is a right-angle bell crank pinned to the ramp at c. the force is positive if in tension, negative if in compression.

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m