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 Form 3 Physics Newton's laws of motion questions and answers

A body initially moving at 50 m/s decelerates uniformly at 2 m/s² until it comes to rest. Calculate the distance covered by the body.

 (2m 27s)
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Answer Text:
U = 50mls V = 0 mls
#v^2 = u^2 + 2as#
#0^2 = 50^2 + 2 times (-2)s#
−2500 = −4s
#S = (−2500)/(-4)#
s = 625 m


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