Physics, 01.10.2021 04:10 eddiewoods56881
11. A train car has the momentum of 50,000 kg*m/s and is moving at a velocity of 45 m/s what is the mass of the train car?
Answers: 3
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Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.
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What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.
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If water vapor with the mass of 35.0 grams is cooled and condensed into water in a closed system such as a closed glass jar, what is the mass of the water after the water vapor completely condenses? a) 34.5 grams b) 35.0 grams c) 35.5 grams d) the mass cannot be determined without knowing the volume
Answers: 2
11. A train car has the momentum of 50,000 kg*m/s and is moving at a velocity of 45 m/s what is
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