Instant it leaves the ground and begins to rebound

Reference no: EM13682724

Andy drops a ball from a height of 1.28 m. The ball hits the ground and rebounds to 40 percent of its original height. What is the y-component of the velocity of the ball the instant before it hits the ground? What is the y-component of the velocity of the ball the instant it leaves the ground and begins to rebound?

Reference no: EM13682724

Questions Cloud

A tennis ball is hit vertically upward with a speed : A tennis ball is hit vertically upward with a speed of 21.0 m/s from the roof of an office building that is 275 feet above the ground. How long after being hit does the ball strike the ground? (Answer in seconds please)

Find how much less power is wasted : A power station delivers 520 kW of power at 12,000 V to a factory through wires with total resistance 3.0. Find how much less power is wasted

A x-ray with a copper target is operated : A X-ray with a copper target is operated at 44mA and 40kV. If the X-ray tube current is reduced to 40mA, what will be the percent change in the number of Cu K x-rays that are produced with the x-ray tube?

Find how much work was done on ball by friction : Assume the ball hits the ground, and rebounds, coming to rest at height h = 0.45 meter. Find how much work was done on ball by friction

Instant it leaves the ground and begins to rebound : Andy drops a ball from a height of 1.28 m. The ball hits the ground and rebounds to 40 percent of its original height. What is the y-component of the velocity of the ball the instant before it hits the ground? What is the y-component of the velocity ..

Calculate the minimum uncertainty involved in measuring mass : A subatomic particle created in an experiment exist in a certain state for a time of 7.8E-20 seconds before decaying into other particles. calculate the minimum uncertainty involved in measuring the mass of this short-lived particle

Transmitters quarter wavelength antenna : Through the Cold War, American submarines operated as "lone wolves" at extreme ocean depths for many months at a time. Ordinary radio signals are greatly attenuated at such depths, making communication with the submarines difficult.

The gain or loss to mann on the settlement of the debt. : Compute the gain or loss to Mann on the settlement of the debt.

Discover the tension in the line : A wet shirt weighing 5.15 N hangs from the center of a 11.1 m long clothesline, causing it to sag 4.60 cm below the horizontal. Discover the tension in the line.

User Account

All Pages