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A tennis ball is dropped from 1.13 meter above the ground. It rebounds to a height of 0.821 meter. The acceleration of gravity is 9.8 m/s2. Compute with what velocity does it leave the ground?
Answer in units of m/s.
A 25 gram CD with a radius of 6.0 centimeter rotates with an angular speed of 39 rad/s, Determine what angular speed must the CD have if its kinetic energy is to be doubled
A satellite is placed in a noncircular orbit about the Earth. The farthest point of its orbit (apogee) is 4 earth radii from the center of the Earth, while its nearest point (perigee) is 2 Earth radii from the Earth's center.
A heart defibrillator passes 11.8 A through a patient's torso for 5.00 ms in an attempt to restore normal beating. What was the path's resistance
a quarterback can throw a receiver a high lazy lob pass or a low quick bullet pass. these passes are indicated by
suppose you take and hold a deep breath on a chilly day inhaling 1.0l of air at 0c and 1atm.ahow much heat must your
We used a 100g mass hung from the 10 cm mark on a meter stick. find the mass of the stick using method of torques
A 15.0 kg stone slides down a snow-covered hill (the figure ), leaving point A with a speed of 12.0 m/s. There is no friction on the hill between points A and B, How far will the stone compress the spring
A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.53 m. A third charge of +2q is located on the x axis at such a place that the net electrostatic force on the charge at the origin doubles, its direc..
A spring-loaded gun, fired vertically, shoots a marble 9.2 straight up in the air. What is the marble's range if it is fired horizontally from 2.3 above the ground
An object moves with constant acceleration 4.35 m/s2 and over a time interval reaches a final velocity of 11.0 m/s. What is the distance it travels during this interval
A sample of wood from an archaeological excavation is dated by using a mass spectrometer to measure the fraction of 14C atoms. What is the wood's age
a block with mass m 3 kg is sitting on the ground and not moving. the acceleration due to gravity is g 9.81 ms2.
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