e statements are the same for both nuclear reactions and chemical reactions? Check all that apply. Both can be represented by ba
1 answer:
You might be interested in
Answer:
(A) –14m/s
(B) –42.0m
Explanation:
The complete solution can be found in the attachment below.
This involves the knowledge of motion under the action of gravity.
Check below for the full solution to the problem.
Answer:
(a)
(b) h is the same
Explanation:
According to the law of conservation of energy:
The skier starts from rest, so and we choose the zero point of potential energy in the end of the ramp, so
. We calculate the final speed, that is, the speed when the skier leaves the ramp:
Finally, we calculate the maximum height h above the end of the ramp:
The initial vertical speed is given by:
and the final speed is zero, solving for h:
(b) We can observe that the height reached does not depend on the mass of the skier