Questions
From the velocity-time plot shown in the given figure. Find the distance travelled by the particle during the first 40 s. Also find the average velocity during this period.
detailed solution
Correct option is D
From 0 to 20 s,Displacement s1= area under v-t graph= - 50 m (as v is negative)Total distance travelled = s1+s2= 100 mAverage velocity = st= s1+s2t=50-5040=0Talk to our academic expert!
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A particle starts its motion from rest and moves with constant acceleration for time t1 and then it retards with constant rate for time t2 until it comes to rest. Then the ratio of maximum speed and average speed during the complete motion will be
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