A stone is thrown from a bridge horizontally with a speed of 20m/s.  The stone lands below 2.5 seconds later.   How high is the bridge?

You are diving board over a swimming pool. You are throwing upward a tennis ball at a speed 3 m/s. On its way back down the tennis ball narrowly misses the diving and hits the water below at 15 m/s. The board is about

A rock is thrown straight downward near the Earth’s surface with initial velocity of 20m/s down.  Assuming it doesn’t reach the ground, after 4 seconds its speed will be about

A crazy, young boy on a sled is able to get up to an incredible speed of 22.5 m/s (yes, he is wearing a helmet!)along a frictionless horizontal surface while he approaches an icy hill with a vertical height of 11 m, as shown.He makes it to the top, and then fies of horizontally from the ledge of the hill. How far from the base of thehill does the boy land?

A book slides horizontally off a shelf 2.8 meters above the floor, at a velocity of 0.25 m/s.  How far from the shelf does it land?

the hulk on the 75th story of stark tower (225 feet off the ground) sees tony drop his penny. he catches the penny and throws it back to tony. what is the minimum speed necessary for hulks throw in order for the penny to reach tony?

An object fell from the balcony of a high-rise building. It hit the ground with a final speed of 14 m/s. The vertical height of the balcony must have been?

A glass container is knocked off a shelf at a height of 1.4 meters above the floor beside you. It takes you 0.35s to react to the falling object and reach out your hand in an attempt to catch the container. Will you be able to reach the container before it hits the floor?

The black market sold Einstein a gun that is able to launch clumps of cookie dough. By accident einstein launches two clumps of cookie dough back to back vertically into the air. Launch speed was equivalent to 40m/s and time between launches = 5.5s. The cookie doughs collide and clump into 1 massive clump in the air and come back and clogg the gun. At what speed does the big clump enter the gun assuming both clumps were in mass. %3D

You wake up in a room with no windows. You drop a ball from a height of 1.79 m and it hits the floor 0.242 s after you drop it. This time you suspect you are on a rocket that has just left the surface of the Earth, and is still not too far above the ground. What do you deduce the rockets acceleration to be?     102.6 m/s^2     51.3 m/s^2     70.9 m/s^2     61.1 m/s^2