The car, moving with an acceleration of 0.5 m / s2, reached a speed of 32.4 km / h after 8 seconds.
| May 27, 2021 | education
The car, moving with an acceleration of 0.5 m / s2, reached a speed of 32.4 km / h after 8 seconds. Find the starting speed of a car?
Given:
v1 = 32.4 km / h = 9 m / s;
t = 8 seconds;
a = 0.5 m / s ^ 2.
v0 -?
v0 = v1 – a * t = 9 – 8 * 0.5 = 9 – 4 = 5 m / s.
Answer: The initial speed of the vehicle was 5 m / s.
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