a vechiles of mass 1000kg is moving with a speed of 25m/.calculate the acceleration of the vehicle if it is stopped in5 second by applying brakes on it also find force applied by brakes.
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Explanation:
Initial velocity(u)= 25 m/s
Final velocity(v)= 0
Time( t)= 5 s.
By the first law of motion;
v = u + at
0= 25+ a×5
5a= - 25
a= -5
Acceleration = 5m/s²
The negative sign symbolizes that it's retardation( Acceleration in opposite direction).
Force = mass × Acceleration
F = 1000 kg × 5 m/s²
Force = 5000 N(Ans)
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- m = 1000 kg.
- u = 25 m/s.
- a = ?
- s = 5 second.
- calculate the acceleration of the vehicle if it is stopped in5 second by applying brakes on it also find force applied by brakes.
Now, Acceleration
Now, Apply Brake
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