In a test run, a certain car accelerates uniformly from zero to 24.0 m/s in 2.95...

Question

Question

Answer 1

Answer #1

(A) vf = vi + a t

24 = 0 + 2.95a

a = 8.14 m/s^2 .....Ans

(B) 20 = 10 + 8.14t

t = 1.23 sec

(C) change in sped = vf - vi = a t

a is constant hence doubling the time will double the change in speed.

Answer 2

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