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A rock is thrown upwards

Let s(t)=-5t^2+40t be the position equation for a rock thrown upwards. At what time t, in seconds, will the rock change
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2. asked by Kim
3. 1,324 views
A rock is thrown upwards from the top of a 100m cliff, on the way down the rock misses the edge of the cliff and continues
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2. asked by dhkk
3. 538 views
10. A rock is thrown upwards from the top of a 45 m tall cliff with an initial speed of 15 m/s. (a) What is the maximum height
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2. asked by whit tone
3. 370 views
Rock is thrown from the top of a building. The formula h=-16t+234 describes the height of the rock, h in feet, t seconds after
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2. asked by MB
3. 1,049 views
A rock is thrown upward from the level ground in such a way that themaximum height of its flight is equal to its horizontal
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2. asked by giz
3. 828 views
A rock is thrown upwards (vertically) from the ground with an initial velocity of 40 feet per second. If acceleration due to
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2. asked by Joe
3. 1,241 views
a rock is directly thrown upward from the edge of a roof of a building that is 56.3m tall. the rock misses the building on its
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2. asked by elias
3. 1,317 views
A rock is thrown upwards from the edge of a 52 foot cliff and eventually falls to the ground. The graph below shows the
1. 3 answers
2. 40 views
A rock is thrown from one side of a river to another. The function h(t) = −16t2 + 80t + 30 gives the height in inches of the
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2. 230 views
The same rock is thrown upwards at an angle of 45 degrees. It travels 10 meters up to its maximum height. How far will it travel
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2. asked by Allison
3. 335 views