a scooter acquires a velocity of 36km/h in 10sec just after the start it takes 20sec to stop .calculate acceleration
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hey!
initial velocity(u)= 36km/h
•36×5/18m/s = 10 m/s
final velocity(v)=0
time (t1)=10s
time (t2) = 20s
•acceleration=change in velocity/time taken
acceleration= final -initial velocity/time taken
acceleration=0-10/20-10 = -10/10 =-1m/s^2
hence acceleration is -1m/s^2
initial velocity(u)= 36km/h
•36×5/18m/s = 10 m/s
final velocity(v)=0
time (t1)=10s
time (t2) = 20s
•acceleration=change in velocity/time taken
acceleration= final -initial velocity/time taken
acceleration=0-10/20-10 = -10/10 =-1m/s^2
hence acceleration is -1m/s^2
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