a car moving with a velocity of 56 km per hour applies brakes and stops in 4 second if the car 800 kg calculate the force applied by the brake and acceleration produced
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Step-by-step explanation:
velocity=56km/h =56×5/18=15.5m/s
acceleration=velocity-u/t
=b-15.514
=-15.514
mass=800g
force=mass×acceleration
=0.8×3.8
=3.1n(vel indicate force is against motion)
=3.1n
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