Physics, 12.02.2021 09:10 axell13965
1. An object weighs 205N on Earth. What is its approximate mass?
Answers: 2
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If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s
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What is a subatomic particle with a negative charge and very little mass?
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If a car has a speed of 20 m/s, how long will it take to go 155 m? a. 3100 s b. 135 s c. 2.1 s d. 7.8 s
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1. An object weighs 205N on Earth. What is its approximate mass?...
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