Physics, 10.03.2021 04:30 alondra314
A roller coaster is stationary at the top of a ramp.
What is the kinetic and potential energy of the roller coaster?
A. potential energy: zero
kinetic energy: zero
B. potential energy: high
kinetic energy: high
C. potential energy: high
kinetic energy: zero
D. potential energy: zero
kinetic energy: high
Answers: 3
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Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
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Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly
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A roller coaster is stationary at the top of a ramp.
What is the kinetic and potential energy of th...
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