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Relative Velocity is considered one of the most asked concept.
24 Questions around this concept.
$A$ person $A$ is moving along east and $B$ is moving along north. Then relative velocity of $A$ with respect to $B$ is $\left(V_A=10 \mathrm{~m} / \mathrm{s}, V_B=10 \sqrt{3} \mathrm{~m} / \mathrm{s}\right)$
A particle is moving along a circular path with a constant speed of 10ms-1 . What is the magnitude of change in velocity of the particle, when it moves through an angle of 600 around the centre of the circle?
A container is kept in a moving bus.
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A bus is moving at a speed of 10ms-1 on a straight road. A scooterist wishes to overtake the bus in 100s. If the bus is at a distance of 1km from the scooterist, with what speed should the scooterist chase the bus?
A man ( mass=50 kg ) and his son ( mass=20 kg) are standing on a frictionless surface facing each other. The man pushes his son so that he starts moving at a speed of $0.70 \mathrm{~ms}^{-1}$ with respect to the man. The speed of the man (in $\mathrm{m} / \mathrm{s}$ ) with respect to the surface is :
Ship A is moving west at a speed of , and ship B is moving north at a speed of south of A. The time at which the distance between them becomes shortest is:
Relative change in position of one object with respect to another object.
Formula-
Relative velocity of object A with respect to object B .
Case of Relative velocity
When A and B are moving along a straight line in the same direction.
= Velocity of object A.
= Velocity of object B.
Then, relative velocity of A w.r.t B is
all are in same direction. (If )
And Relative velocity of B w.r.t A is
&
When A & B are moving along with straight line in opposite direction.
Relative velocity of A with respect to B is.
3. Relative Velocity when bodies moving at an angle to each other
Relative velocity of a body, A with respected body B
Where,
If makes an angle with the direction of , then
If two bodies are moving at right angles to each other.
Relative Velocity of A with respect to B is
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