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A ball is thrown straight up into the air. It starts at height y = 0 with velocity v0, and reaches a maximum height of H. (Define gravitational potential energy to be zero at y = 0, and ignore air resistance). Find at what point along path will ball potential energy equal its kinetic energy?
charge is distributed uniformly throughout the volume of an infinitely long cylinder of radius r 4.00times10-2 m. the
A stamp collector is viewing a stamp with a magnifying glass held next to her eye. Her near point is 25 cm from her eye. What is the angular magnification when the image of the stamp is 39 cm from the eye
a child is sitting on the outer edge of a merry-go-round that is 18 m in diameter. if the merry-go-round makes 4.9
A charged particle moves during a velocity selector at a constant speed in a straight line. The electric field of the velocity selector is 3.40 103 N/C, while the magnetic field is 0.360 T. When the electric field is turned off, the charged particle ..
q1. an archer puts a 0.30 kg arrow to the bowstring. an average force of 201 n is exerted to draw the string back 1.3
The coefficients of kinetic friction on the incline and the plane are negligible. What would be the velocity of the box right after the collision
An early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through a slot at the outside edge of the wheel, as in Fig. 10-31, travels to a distant mirror, and returns to the wheel just in time to ..
A plastic sheet of thickness 250 nm appears to be green in the figure below (?green=500nm), What is the plastic's index of refraction
Find tension in the back muscle and the compressional force
An ideal heat engine absorbs 81.2 kJ of heat and exhausts 66.1 kJ of heat in each cycle, How much work is done in a cycle
Two balls, of masses mA = 40 g and mB =60g, are suspended each on a string of 30 cm long side byside, what is the velocity of the lighter ball before impactl
Two horizontal forces, 249 N and 165 N, are exerted in opposite directions on a crate. What is the net horizontal force on the create? Be sure to point to the direction of the net force.
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