An object is thrown vertically from the ground that rises and falls in 23.87 seconds. What will its maximum height be? A projectile is launched vertically upward and returns to its starting position in 5 s. What is its initial velocity and how high does it go?

A ball is thrown straight down with an initial velocity of 10.0 m/s from a height of 50.0 m. How long does it take to reach the ground?50.0 m. How long does it take to reach the ground?

A model rocket is launched and accelerates upward at 20m/ s2 for 3 seconds before the jet shuts off. It continues to rise until gravity eventually brings it back down. How long its takes the rocket in the air?

Hello. I am working on a problem with motion. The questions asks me to calculate the maximum height (h1),  total time (t2), and speed of a ball right before it hits the ground. The question states that A person is throwing a ball upward into the air with an initial speed Vo = 10m/s. Assume that the instant when the ball is released, the person's hand is at a height ho = 1.5m. The speed of the ball at its peak height is zero, and the question needs to be solved in ascending part and descending part. I don't understand how to solve for the maximum height. What is the correct formula to use and why? For other questions like this, I will be able to solve them if I know the formulas for the ascending of the ball and the descent of the ball as well as the explanation. Thank you. For the sake of the question, the ball is being thrown straight up.

A ball is thrown upward at time t=0 from the ground with an initial velocity of 8 m/s (~ 18 mph). Assume that g = 10 m/s2. What is the greatest height (in meters) reached by the ball?

Dong and Rigo are playing their slingshot, both of them shot a pebble vertically upward. Rigo shot after Dong, but while the Dong’s pebble is still on its way up. The initial speeds are such that both pebbles reach their maximum height at the same instant, although these heights are different. Suppose that the initial speed of the Dong’s pebble is 40.6 m/s and that Rigo’s pebble is shot 1.25s after Dong’s, determined the initial velocity of the Rigo’s pebble.

A helicopter starts ascending in the sky from the ground and its position is given by y = 5t^2 + 10t. After 10 seconds, a package is dropped out from the helicopter. What is the velocity of the package when it descends to a height of 10 m above the ground.

You are traveling in a convertible with the top down.the car is moving at a constant velocity of 16.7m/a, due east along flat ground. You throw a tomato straight upward at a speed of 8.96 m/a. How far has the car moved when you get a chance to catch a tomato?

A ball is projected vertically up from the floor of a room. The ball experiences air resistance that is proportional to speed of the ball. Just before hitting the ceiling the speed of the ball is 10 m/s and its retardation is 2g. The ball rebounds from the ceiling without any loss of speed and falls on the floor 2s after making impact with the ceiling. How high is the ceiling? Take g = 10 m/s².

The initial speed of a ball thrown straight upward is 17.3 m/s, and then it is caught at the same distance above the ground. How high does the ball rise? How long does the ball remain in the air?