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A cyclist rides in a straight line for
PHYSICS · Single correct · CBSE · Physics · Motion · Motion
Problem
A cyclist rides in a straight line for
600
m
600\,\text{m}
600
m
. The first
300
m
300\,\text{m}
300
m
are covered at
5
m/s
5\,\text{m/s}
5
m/s
and the remaining
300
m
300\,\text{m}
300
m
at
10
m/s
10\,\text{m/s}
10
m/s
. What is his average speed for the entire journey? (a)
7.5
m/s
7.5\,\text{m/s}
7.5
m/s
(b)
10
m/s
10\,\text{m/s}
10
m/s
(c)
6.7
m/s
6.7\,\text{m/s}
6.7
m/s
(d)
6.25
m/s
6.25\,\text{m/s}
6.25
m/s
Related theory
1D Motion: Distance, Displacement, Speed & Velocity
Speed, velocity and acceleration
Distance, velocity and acceleration
Speed and average speed
Motion
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