Kinetic, potential because, at the top of the ramp it’s going faster. Potential at the bottom of the ramp is potential because, it’s not doing any motion.
I think that would be c) mirror because mirrors reflects light and can't create it.
Answer: friction reduces the speed during motion
Explanation:
The more the friction, the lesser the speed during motion
Answer: 1608.39 J
Explanation: Given that the
mass M = 42kg
U = 11.5m/s
V = 3.33m/s
how much work did friction do
Work done = Force × distance
Work done = Ma × distance
But acceleration a = V/t
Work done = M × V/t × d
Work done = M × V × d/t
Where d/t = velocity
Therefore,
Work done = M × U × V
Work done = 42 × 11.5 × 3.33
Work done = 1608.39 J
Due to friction from sliding against the ground, the player decelerates in 1 direction. Thus his momentum decreases.
