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At a given instant in time, a 4.2-kg rock is

At a given instant in time, a 4.2-kg rock is observed to be falling with an acceleration of 8.4 m/s2. To two decimal places,
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2. asked by matt
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At a given instant in time, a 10-kg rock is observed to be falling with an acceleration of 7.0 m/s2. What is the magnitude of
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2. asked by Jermaine
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The velocity v (in feet per second) of a rock dropped into a well is related to time (in seconds) by the formula v = 32t. What
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2. asked by Randy
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Heather and Jerry are standing on a bridge 53m above a river. Heather throws a rock straight down with a speed of 12m/s . Jerry,
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2. asked by Mariah
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Heather and Jerry are standing on a bridge 51 m above a river. Heather throws a rock straight down with a speed of 17 m/s .
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2. asked by pete
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Heather and Jerry are standing on a bridge 53m above a river. Heather throws a rock straight down with a speed of 12m/s . Jerry,
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2. asked by Haley
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Can the instantaneous velocity of an object at a given time instant be greater than the average velocity over a time interval
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2. asked by Nikita
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The two rocks pictured below were found in a river bed.What conclusion can you make about Rock A and Rock B? (1 point) Responses
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2. asked by bots lover
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Martha drops a 1 kg rock off the top of Black Oak Canyon which is 100m deep. What is the KE of the rock the instantbefore it
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2. asked by POTENTIAL & KINETIC ENERGY PRACTICE
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At a certain instant of time, the sides of the cube are 3 in. long and increasing at the rate of 0.2 in./sec. How fast is the
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2. asked by john
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