Physics, 25.07.2019 20:30 ElmerRamirez
You throw a ball at the wall in front of you and the ball bounces directly back at you. while the ball is touching the wall, the horizontal force(s) the ball is experiencing is (are)(a) the support force from the wall plus a forward force from the ball's momentum throughout the bounce.(b) only the support force from the wall.(c) the support force from the wall plus a force from the ball's momentum that initially points forward, gradually reduces to zero as the ball stops, and then begins to point backward as the ball rebounds.(d) the support force from the wall plus a forward force from the ball's momentum while it's coming to a stop.
Answers: 1
Physics, 22.06.2019 17:20
In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy
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Physics, 22.06.2019 19:30
How many electrons in an atom could have these sets of quantum numbers? =3n=3 electronselectrons =4,ℓ=2n=4,ℓ=2 electronselectrons =6,ℓ=ℓ=−1n=6,ℓ=2,mℓ=−1
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Physics, 23.06.2019 00:00
Based on this activity, is kinetic energy always transformed into potential energy?
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Physics, 23.06.2019 02:30
If frequency goes up, what happens to wavelength? does it get shorter or longer?
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You throw a ball at the wall in front of you and the ball bounces directly back at you. while the ba...
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