Answer:
1. b
2. d
3. e
4. c
5. a
Explanation:
These are just basic definitions. Let me know if you need further clarification.
Answer:
i think c
Explanation:
because cars run on mechanical energy and solar powered means its by the sun which is light energy
B. It’s the same roughly at all latitudes
Answer:
Given,
mass of man = 100 N = 10 kg
height = h = 25m
since the man does not move anything with his force, work done by him is zero
work done on the man = gain in potential energy
P.E=mgh
P.E=10×9.8×25
P.E=2.45KJ
Explanation:
so, potential energy gained by man is 2.45 KJ
