A_MOVING_BODY_OF_MASS_M_AND_VELOCITY_3KM/H_COLLIDES_WITH_A_REST_BODY_O – McqOptions

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1.	A_MOVING_BODY_OF_MASS_M_AND_VELOCITY_3KM/H_COLLIDES_WITH_A_REST_BODY_OF_MASS_2M_AND_STRIKES_TO_IT._NOW_THE_COMBINED_MASS_STARTS_TO_MOVE._WHAT_WILL_BE_THE_COMBINED_VELOCITY??$
A.	3km/h
B.	4km/h
C.	1km/h
D.	2km/h
Answer» D. 2km/h

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