a cyclist riding at a speed of 5m/s braked with uniform deceleration and stopped in 3m.The acceleration is
a. 2.16m/s2
b. 4.16m/s2
c. -2.16m/s2
d. -4.16m/s2
e. none
Answers
Answered by
28
By the third kinematic equation,
a = (v² - u²) / 2s
a = (0 - 25) / (2 × 3)
a = -25 / 6
a = -4.16 m s^(-2)
Answered by
6
Answer:
By the third kinematic equation,
a = (v² - u²) / 2s
a = (0 - 25) / (2 × 3)
a = -25 / 6
a = -4.16 m s^(-2)
Explanation:
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