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A Scooter was moving on Straight road. with velocity 100 m/s its velocity changing at constant rate after 5o sec. it stops.find its acceleration. |
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Answer» μ=100m/sμ=0.5g=10/s 2 when CAR is stopped by friction RETARDING force isma=μRma=μmga=μg Let car covers '5' distance with velocity μ and stopV 2 −4 2 =2aS4 2 =2AS(V=0)S= 2a4 2 = 2×μg100 2 = 2×0.5×10100 2 ⇒S=1000m |
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