An open car is moving on a road with a speed if 100km/h.A man sitting in the car fires a bullet from the gun in the opposite direction.If the speed of the bullet is 250km/h relative to car,find its bullets speed with respect to ground? Will it be -150 km/h or 150km/h??

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Solution

Speed with respect to earth is -150km/h
As,
250= car - earth
Car =100
Earth = car- 250
Earth=100-250
=-150

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An open car is moving on a road with a speed if 100km/h.A man sitting in the car fires a bullet from the gun in the opposite direction.If the speed of the bullet is 250km/h relative to car,find its bullets speed with respect to ground? Will it be -150 km/h or 150km/h??

Speed with respect to earth is -150km/h As, 250= car - earth Car =100 Earth = car- 250 Earth=100-250 =-150

Speed with respect to earth is -150km/h
As,
250= car - earth
Car =100
Earth = car- 250
Earth=100-250
=-150