A small model car with mass m travels at a constant speed on the inside of a track that is a vertical circle radius 5.00 m. If t
1 answer:
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Answer:44.58 J
Explanation:
mass of block
Force magnitude=3 N
Initial velocity =
Final velocity=
Initial Kinetic Energy=
=
Final Kinetic Energy=
=
Work Done =Final -Initial Kinetic energy=51.2-6.612=44.58 J
The velocity equation is
Known facts:
- t = 3.83s
- a= -3.04
- intial velocity = 0
Plug into equation known quantities:
Thus the final velocity is -11.6432m/s
Hope that helps!