I need help guys! please! Question:
A girl sits on a tire swing and is pushed in a circular motion by her father. Her tangential speed is 2.8 m/s and the girl travels in a circle with a diameter of 4.0 m. What is the girl's centripetal acceleration?

1.4 m/s 2
0.7 m/s 2
3.9 m/s 2
4.0 m/s 2

4

explanation:

4

nah.   i'm just sleepy.

talk back to him about the sport and show him your expertise or leave the room

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