A toy car on a string is pulled across a table horizontally. The string is at an angle of 30°. Which is the correct free-body diagram for this situation?

a

explanation:

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b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.