CBSE Class 9 Answered
A particle maviong alonge a stright line travels one third of the total distance with a speed of 3 m/s the remaining distance is covered with a speed of 4m/s for half the time and 5m/s for other half of the time .The average speed during the motion is ?
Asked by RAHUL rd | 01 Nov, 2014, 04:19: PM
Expert Answer
Let S be the total distance travelled by the particle.
Thus the average speed during the motion = 3.85 m/s
Answered by Jyothi Nair | 02 Nov, 2014, 11:01: AM
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