The car moving at a speed of 10 m / s, after the start of braking, drove 50 meters to a complete stop.
| December 11, 2020 | education
The car moving at a speed of 10 m / s, after the start of braking, drove 50 meters to a complete stop. Determine the amount of vehicle acceleration
Let’s use the formula for finding the path:
S = v ^ 2 – v0 ^ 2 / 2a
Let us express the acceleration a:
a = v ^ 2 – v0 ^ 2 / 2S
a = 0 ^ 2 – 10 ^ 2/2 * 50 = – 100/100 = – 1 (m / s ^ 2)
Minus since braking
Answer: a = 1m / s ^ 2.
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