A racing car has a uniform accleration of 4m/s . What distance will it cover in 10s after start ?
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Answer:
BY EQUATION OF MOTION ;
Explanation:
Given ;
Acceleration ( a ) = 4 m/s² , Time ( t ) = 10 seconds , Displacement ( s ) = ??
BY SECOND EQUATION
★ S = ut + 1/2 a t²
S = 0 + 1 / 2 × 4 × ( 10 )²
S = 1 / 2 × 4 × 100
S = 50 × 4 = 200 metres .
A. HENCE ; DISPLACEMENT IS OF 200 METRES .
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