A car, moving along a straight stretch of highway, begins to accelerate at 0.0323 m/s 2. It takes the car 63.3 s to cover 1 km. How fast was the car going when it first began to accelerate? Answer in units of m/s.

Question

Lexie Villarreal

18 July, 04:25

+1

Answers (1)

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Londyn Meyers · Answer 1

X=ut+0.5at²

1000 = 63.3u + 0.5 * 0.0323 * 63.3²

u = (1000 - 0.1615*63.3²) / 63.3

u = 5.57 m/s

i don't even know if this is correct