Which questions? i need to see the actual question, did you like upload them to your profile now?
Answer:
i think c
Explanation:
because cars run on mechanical energy and solar powered means its by the sun which is light energy
B.strong but weaker than the weak force
Answer:
Lilly's speed is two times John's speed.
Explanation:
m = Mass
a = Acceleration
t = Time taken
u = Initial velocity
v = Final velocity
The force they apply on each other will be equal
Hence, Lilly's speed is two times John's speed.