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A baseball leaves a pitcher's hand at a speed of 10.0 m/s. The mass of the baseball is .10 kilogram. You can neglect air resistance. Obtain how much work has the pitcher done on the ball in throwing it?
A 1100-kg sports car (including the driver) crosses the rounded top of a hill (radius = 85.0 m) at 23.0 m/s. Determine the normal force exerted by the road on the car
two equally charged particles are held 3.2 x 103 m apart and then released from rest. the initial acceleration of the
How high will a 1.85 rock go if thrown straight up by someone who does 75 of work on it? Avoid air resistance.
An electron is suspended at a distance of 1.36 cm above a uniform line of charge. What is the linear charge density of the line of charge
A 10000 kg boxcar traveling at 16 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 6.0 m/s. What is the mass of the second car
An air bubble has a volume of 1.20 cm3 when it is released by a submarine 115 m below the surface of a lake. What is the volume of the bubble when it reaches the surface? Assume the temperature and the number of air molecules in the bubble remain con..
A bowling ball encounters a 0.760 m vertical rise on the way back to the ball rack, Find the translational speed at the top
A small plane can fly at 150 miles/hr. The pilot heads due north toward his home town on the other side of a rectangular lake 600 miles wide. How long does it take the plane to cross the lake
What are the minimum frequencies of light needed to emit electrons off each metal? Suppose a lamp is made which shines light of the exact minimum frequency needed to emit electrons off of gold.
A person with a near-point distance of 29 cm is able to get a usable magnification of 12 with a particular magnifying glass. What is the friend's near-point distance
Dr Doreen's sister Karen got a yellow camaron for her birthday. She races up to meet with Dr Doreen. What was Dr Doreen's acceleration
A 0.260 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. What is the mass of the second ball
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