A point body, starting from a state of rest with an acceleration of 1 m / s2, traveled a path of 32 m. How long did it accelerate?
| November 20, 2020 | education
Given:
V0 = 0m / s
a = 1m / s ^ 2
S = 32m
To find:
t-?
Decision:
S = a * t ^ 2/2;
a * t ^ 2 = S * 2;
a * t ^ 2 = 32 * 2 = 64;
t ^ 2 = 64 / a = 64/1 = 64;
t = 8s
Answer: 8 seconds lasted its acceleration
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