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You toss a tennis ball straight upward. At the moment it leaves your hand it is at a height of 1.5 m above the ground, and it is moving at a speed of 7.8 m/s.
(a) How much time does it take for the tennis ball to reach its maximum height?
(b) What is the maximum height above the ground that the tennis ball reaches?
(c) When the tennis ball is at a height of 2.2 m above the ground, what is its speed?
(d) When the ball hits the ground what is its velocity?
The position vector of a particle of mass 1.80 kg as a function of time is given by r = (6.00i + 4.60t j ), where r is in meters and t is in seconds. Determine the angular momentum of the particle about the origin as a function of time. Answer should..
A bowling ball (solid sphere mass=7.27 and radius=12.7cm) is rolling on level ground at a constant angular speed of 55rad/s. what is the total kinetic energy of the ball?
Most dentist in the United States are make as the majority of nurses are female. These differences show how different cultures define.
A 145 g copper bowl contains 205 g of water, both at 20°C. A very hot 300 g copper cylinder is dropped into the water, causing the water to boil, with 5.40 g being converted to steam.
A 250 g piece of lead is heated to 300 Celsius and placed into a beaker containing 500 ml of water. How much heat energy is passed from the lead to the water
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Point A to point B is 300miles horizontally. A plane travels 500 mph. there is a crosswind blowing north east at a 45 degree angle north of east at 150 mph. what will be the plane's velocity relative to the ground
in a cookbook a poultry thawing chart states that a 10-kg turkey takes 4 days to defrost in a refrigerator. estimate
If the pressure inside an air tank is 10 atm when the balloon is at a temperature of 25 C, what will the pressure inside be when its temperature is lowered to 0 C? Assume the volume is fixed.
X-rays with an initial wavelength of 0.0575 nm scatter at an angle of 76.1° from the loosely bound electrons of a target material. What is the wavelength of the scattered radiation
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