1.

A block of mass m sits rest on afriction less table in a moving car with speed V_(c) a long a straight horizontal track (As shown in fig). A person riding in the car pushes on the block with a net horizontal force F for a time t in the direction of the car's motion. Which of the following are correct

Answer»

The final speed of the BLOCK according toa PERSON in car `(Ft)/m`
The final speed of the block according to a person in car `(2FT)/m`
The final speed of the block according to a person stading outside the car `V_(0)+(Ft)/m`
The final speed of the block according to a person standingoutside the car `V_(0)-(Ft)/m`

ANSWER :A::C


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