Physics, 16.04.2021 04:40 jambunny26
A 0.060 kg kick ball traveling at 15 m/s is kicked at a 1500 kg wall. How fast does the kickball return after it hits the wall?
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Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves
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Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
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A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
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Physics, 22.06.2019 06:40
How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.
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A 0.060 kg kick ball traveling at 15 m/s is kicked at a 1500 kg wall. How fast does the kickball ret...
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