A roller coaster's velocity at the top of a hill is 10 m/s. Two seconds later it reaches the bottom of the hill with a velocity of 25 m/s. What was the acceleration of the coaster?
QUESTION: A roller coaster's velocity at the top of a hill is 10 m/s. Two seconds later it reaches the bottom of the hill with a velocity of 25 m/s. What was the acceleration of the coaster?
(scroll to the end to get the answer)
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I. Definitions
1) Acceleration
It is the rate of change at which velocity changes with respect to time.
2) Velocity
It describes how fast an object is moving with consideration to the direction. It is a vector quantity, meaning it has both magnitude and direction.
Answers & Comments
QUESTION: A roller coaster's velocity at the top of a hill is 10 m/s. Two seconds later it reaches the bottom of the hill with a velocity of 25 m/s. What was the acceleration of the coaster?
(scroll to the end to get the answer)
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I. Definitions
1) Acceleration
2) Velocity
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II. Formula
a =
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III. Unit of Measurement
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IV. Substitution
a =
a =
a = 7.5
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V. Final Answer
The acceleration on the coaster is 7.5
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:D Hope this helps!