A car retarded by applying brakes at the rate of 2m/s^2. It finally stopped in 10s. Find its initial velocity.
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Answered by
8
Deceleration = - 2 m/s²
Time = 10 sec
Final velocity ( v ) = 0 m/s
v = u + at
0 = u + ( -2) × 10
0 = u - 20
u = 20 m/s
Time = 10 sec
Final velocity ( v ) = 0 m/s
v = u + at
0 = u + ( -2) × 10
0 = u - 20
u = 20 m/s
Answered by
2
Deceleration = - 2 m/s²
Time = 10 sec
Final velocity ( v ) = 0 m/s
v = u + at
0 = u + ( -2) × 10
0 = u - 20
u = 20 m/s
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