In an experiment, two baseballs are dropped from the top of a tall building. When the first baseball is dropped, a timer is started. After 1.0 second, the second baseball is dropped. Assuming air resistance can be neglected, which of the following will be true
A) The difference in velocity between the two baseballs decreases as they fall.
B) The difference in velocity between the two baseballs remains constant as they fall.
C) The distance between the baseballs decreases as they fall.
D) The distance between the baseballs stays constant as they fall.
Answers: 1
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Energy flows from the producer level to the level. is called
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Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
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An object with initial temperature 130 ∘ f is submerged in large tank of water whose temperature is 50 ∘ f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = − 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )
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In an experiment, two baseballs are dropped from the top of a tall building. When the first baseball...
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