What is the kinetic energy of the cart on the lower horizontal part of this track?
A. 16.2 J.
B. 26.4 J.
C. 142 J.
D. 158 J.
Answer:D
What is the kinetic energy of the cart on the lower horizontal part of this track?
A. 16.2 J. B. 26.4 J. C. 142 J. D. 158 J.