Jack placed a coin on a card on top of a glass. He quickly pushed the card and the coin fell into the glass. Which statement below explains this result?
Force is equal to mass times acceleration.
Force is equal to mass times acceleration.
For every action there is an equal and opposite reaction.
For every action there is an equal and opposite reaction.
A body in motion tends to stay in motion or a body at rest tends to stay at rest unless acted on by an outside force.
A body in motion tends to stay in motion or a body at rest tends to stay at rest unless acted on by an outside force.
Momentum equals mass times velocity.
Momentum equals mass times velocity.
Answers: 1
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What is hidden during a lunar eclipse? isn't the moon hidden?
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Copper has free electrons per cubic meter. a 71.0-cm length of 12-gauge copper wire that is 2.05 mm in diameter carries 4.85 a of current. (a) how much time does it take for an electron to travel the length of the wire? (b) repeat part (a) for 6-gauge copper wire (diameter 4.12 mm) of the same length that carries the same current. (c) generally speaking, how does changing the diameter of a wire that carries a given amount of current affect the drift velocity of the electrons in the wire?
Answers: 2
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The center of the milky way most likely contains a. empty space. b. a red giant star. c. a globular cluster. d. a supermassive black hole.
Answers: 1
Jack placed a coin on a card on top of a glass. He quickly pushed the card and the coin fell into th...
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