Question

# A body of mass m moving along a straight line covers half the distance with a speed of 2ms−1. The remaining half of distance is covered in two equal time intervals with a speed of 3 ms−1 and 5 ms−1 respectively. The average speed of the particle for the entire journey is?

A
38ms1
B
83ms1
C
43ms1
D
163ms1
Solution
Verified by Toppr

#### Let total distance be 2xX is traveled by 2 m/s and x/2 by 3m/s and remaining x/2 by 5 m/s.Vavg.=Total distanceTotal timeVavg.=2xx2+x6+x10Vavg.=2.608m/s

0
Similar Questions
Q1

A particle moving in a straight line covers half the distance with speed of 3 m/s. The other half of the distance is covered in two equal time intervals with speed of 4.5 m/s and 7.5 m/s respectively. The average speed of the particle during this motion is

View Solution
Q2

Question: A particle moving in a straight line covers half the distance with speed of 2m/s. The other half of the distance is covered in two equal time intervals with speed of 4.5 m/s and 3.5/ms respectively. The average speed of the particle during this motion is what

View Solution
Q3

A particle moving in a straight line covers half the distance with speed of 3 m/s. The other half of the distance is covered in two equal time interval with speed of 4.5 m/s and 7.5 m/s respectively. The average speed of the particle during this motion is

View Solution
Q4

A body of mass m moving along a straight line covers half the distance with a speed of 2ms1. The remaining half of the distance is covered in two equal time intervals with a speed of 3ms1 and 5ms1 respectively.The average speed of the particle for the entire journey is

View Solution
Q5

A particle moves on a straight line in such way that it covers 1st half distance with speed 3m/s and next half distance in 2 equal time intervals with speeds 4.5m/s and 7.5m/s respectively. Find average speed of the particle.

View Solution
Solve
Guides