Question

a body is moving with 5 metre per second is accelerated at 5 metre per second square calculate the distance travelled by the body in 5 seconds?​

Answer 1

Answer:

u = 5m/s

v = 0m/s

t = 5 sec

using first equation of motion ,

v = u+at

0=5+a(5)

-5 = 5a

a = -5/5 => -1 m/s². ( negative sign denotes retardation of the a

body )

using second equation of motion,

s = ut+1/2at²

s = 5(5) + 1/2 × -1 × (5)²

s = 25+(-25/2)

s = [25(2) - 25]/2

s = (50-25)/2 => 25/2 m => 12.5 metres

Explanation:

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