Question

a car is moving with a velocity of 50km/h on straight road is ahead of a jeep moving with a velocity of 75km/h. how could relative velocity be alerted if jeep is ahead of car

Answer 1

basically, relative velocity of a with respect to b is given as $V_{ab}=V_a-V_b$

where, $V_a$ represents velocity of a and $V_b$ represents velocity of b.

here, velocity of car, $V_{car}$ = 50km/h

and velocity of jeep, $V_{jeep}$ = 75 km/h.

then, velocity of car with respect to Jeep, $\bf{V_{car,jeep}=V_{car}-V_{jeep}}$

= 50 - 75 = -25 km/h. it means, car moves 25 km/h opposite direction with respect to Jeep.

similarly, when we talk about velocity of jeep with respect to car, $\bf{V_{jeep,car}=V_{jeep}-V_{car}}$

= 75 - 50 = 25 km/h , it implies jeep moves 25km/h same direction with respect to car.

Answer 2

Answer:

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