plz answer this question
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Heye your answer is
20ms^-1/5s
=4ms^-2
20ms^-1/5s
=4ms^-2
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1
acceleration = final velocity - initial velocity/time
final velocity= 0 m/s ( rest)
initial velocity= 20m/s
time= 5s
acceleration=0-20/5
=-20/5 =-4ms^-2
hence it was retardation we used negative sign
hope it helps!!
final velocity= 0 m/s ( rest)
initial velocity= 20m/s
time= 5s
acceleration=0-20/5
=-20/5 =-4ms^-2
hence it was retardation we used negative sign
hope it helps!!
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