What happens when an object is moved against gravity, such as rolling a toy car up a
ramp?
a....
What happens when an object is moved against gravity, such as rolling a toy car up a
ramp?
a. Potential energy does not change
b. Potential energy decreases as it is transformed into kinetic energy
c. Kinetic energy does not change
d. Kinetic energy is transformed into potential energy
Answers: 3
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Which situation will produce the greatest change of momentum
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How many atoms of nitrogen are in the chemical formula ni(w on
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The protons in a nucleus are approximately 2 ✕ 10^−15 m apart. consider the case where the protons are a distance d = 1.93 ✕ 10^−15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.
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