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A ball bounces to 47 percent of its original height.
(a) What fraction of its mechanical energy is lost each time it bounces?
(b) What is the coefficient of restitution of the ball-floor system?
Calculate the smallest amount of kinetic energy the electron must have in order to leave its circular orbit and move to infinity far from the proton
The spaceship Lilac, based on the Purple Planet, is 755 m long, as measured at rest. At what fraction of the speed of light is Lilac moving
A cat, also of weight 47.8 {rm N}, falls asleep on top of block A. If block B is now set into downward motion, what is its acceleration magnitude.
A hollow sphere is rolling along a horizontal floor at 7.0 m/s when it comes to a 39^circ incline. How far does it go up the incline before coming to a stop and roll back down.
Calculate the approximate volume of a nucleus of uranium, 235/92 U and Calculate the approximate radius of a nucleus of uranium, 235/92 U
A 1200 crate slides 15 down a ramp that makes an angle of 30 with the horizontal. If crate slides at a constant speed, how much thermal energy is created?
What is volume concentration
a ball is launched with a velocity of magnitude 7.00 m/s, at an angle of 40.0° to the horizontal. find the angle of its displacement from the launch point
A biophysics experiment uses a very sensitive magnetic field probe to determine the current associated with a nerve impulse traveling along an axon. what is the peak current carried by the axon
A rubber ball of mass 149 g is thrown directly at a wall with a speed of 4.7 m/s. what is the magnitude of the impulse imparted by the wall on the ball
a 200 ohms resistor and a .4 H inductor are connected in series with a voltage source having amplitude of 30 v, what is the current amplitude
Neil A. Armstrong was the first person to walk on the moon. The distance between the earth and the moon is 3.85 ? 108 m. Find the time it took for his voice to reach earth via radio waves
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