A 1000kg vehicle moving at a speed of 10m/s os brought to rest in a distance of 50m by the application of brakes .calculate a. acceleration b. the force acting on the vehicle.
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as we know that v^2=u^2+2as
v=final velocity=0
u=initial velocity=10
s=displacement=50
so....
0^2=10^2-2a×50
solving this we'll get a=1m/s
and in formula we use a as negative cause here it is retardation
v=final velocity=0
u=initial velocity=10
s=displacement=50
so....
0^2=10^2-2a×50
solving this we'll get a=1m/s
and in formula we use a as negative cause here it is retardation
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