Question

What is meant by relative velocity? Write the expression for relative

velocity when two objects are moving

a) in same direction and b) in opposite direction​

Answer 1

Answer:

.... ...............

Answer 2

Explanation:

(a) Relative velocity  of body A with respect to body B is defined as the time rate of change of position of A wrt. B.  (b) (i) When two objects move in the same direction   (ii) When two objects move in the opposite direction  (c) Velocity of the Jet plane VJ =500km/hr velocity of gases wrt. Jet plane VgJ = - 1500km/hr (direction is opposite)  Velocity of the Vg = -1500 + 500 = -1000km/hr   (As hot gases also comes out in opposite direction of the Jet plane) 

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