mollylorettavincent mollylorettavincent

18-10-2021
Physics

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HURRY ANSWER ( step by step please)

A car starts from rest and accelerated uniformly at a rate of 4.00 m/s2, E and covered a displacement of 200.0 m

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ferrybukantoro ferrybukantoro

19-10-2021

Explanation:

a) d = ½.a.t²

200 = ½(4)t²

200 = 2t²

t² = 200/2

t² = 100

t =√100 = 10 s

b) Vt = a. t

= 4(10)

= 40 m/s

c) V av. = d/t = 200/10 = 20m/s

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