A tennis ball is hit vertically upward with a speed

Reference no: EM13682728

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)

Reference no: EM13682728

Questions Cloud

Obtain what the speed of the heavier fragment : An unstable particle at rest breaks up into two fragments of unequal mass. evaluate the speed of the heavier fragment

What is the velocity of the boat relative to shore : A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore with maintaining a constant velocity of 11.0 m/s due north relative to the water. What is the velocity of the boat relative to shore?

Compute the force on an electron if the accelerating plates : Compute the force on an electron if the accelerating plates are held at a potential dissimilarity of 600. (Note this is Vg.) Suppose a distance of 1cm among the plates. Compare this force, Fe, to the force due to gravity, Fg; I.e., compute Fg/Fe. Can..

Find what is the most constructively reflected wavelength : An oil slick on water is 90 nanometers thick and illuminated by white light at an incidence angle of 0.0 degrees to its surface. Find what is the most constructively reflected wavelength

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 ..

User Account

All Pages