A body of mass (m) moving along a straight line covers half the distance with a speed of 2 m/s^-1. The remaining half of the distance is covered in two equal time intervals with a speed of 6 m/s^-1 and 5 m/s^−1 respectively. The average speed of the particle for the entire journey is. - VgyanHub

Question:

A body of mass (m) moving along a straight line covers half the distance with a speed of 2 m/s^-1. The remaining half of the distance is covered in two equal time intervals with a speed of 6 m/s^-1 and 5 m/s⁻¹ respectively. The average speed of the particle for the entire journey is.

Options :

(a) 3/8 ms^-1
(b) 8/3 ms^-1
(c) 4/3 ms^-1
(d) 16/3 ms^-1

Answer :

(b) 8/3 ms^-1

Answer Steps :

step 1

step 2

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