Two balls move away from each other, both traveling at 7 m/s. One has a mass of 2 kg and the other has a mass of 3 kg
1 answer:
A 300-kg bear grasping a vertical tree slides down at constant velocity. The friction force between the
tree and the bear is
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Answer:
28.7%
Explanation:
efficiency = work output /work input × 100
C is correct because they would repel each other A is wrong be they wouldn't repel And B is wrong because they shouldn't be repelling each other
A) no H30+ ions or OH- ions.
When the temperature lowers the plants can freeze and die. One way to prevent that is to cover the plants so they dont freeze
Answer:b) atoms
Explanation:which are in turn made up of protons, neutrons and electrons
