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acceleration due to gravity worksheet key

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Acceleration Due to Gravity Worksheet
1.
A rock is thrown straight down off of a bridge at -13.0 m/s. a) How much time will it take the rock to achieve a
velocity of-26.0 m/s? b) How far has the rock fallen when it achieves this velocity?
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2. Bill can throw a ball vertically at a speed 3.00 times faster than Joe can. How many times higher will Bill's ball go
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3. The Joker and his henchmen are escaping down a river in a boat. Batman, on a bridge above the water, wants to
drop down on the boat to prevent their escape. a) If the bridge is located 12.0 m above the boat, how long will
it take Batman to land on the boat if he drops from rest? b) If the boat travels with a constant speed of 8.00
m/s, how far from the bridge must the boat be when Batman drops?
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4. A stone is dropped from rest from the top of a building. The ston e takes 0.375 s to travel past a 2.20 m tall
window somewhere below the roof. From what height above the top of this window was t he stone dropped
from rest?
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5. A student tosses a softball straight up into the air at 17 .5 m/s from a height of 1.25 m above the ground. At the
same time, another student tosses a baseball straight up into the air at 8.00 m/s from a height of 7.50 m above
the ground. Are there any times when the balls are located at the same height? If so, at what height(s)?
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