Answer:
60/90
Explanation:
I think because the train's highest velocity is 60 n the time is 90
Answer: A
Explanation: isotopes of the same thing element have the same number of protons in the nucleus but differ in the number of neutrons.
Answer:
112.23 m
Explanation:
Displacement is the final position minus the initial position.
Δx = x − x₀
Δx = 100.1 m − (-12.13 m)
Δx = 112.23 m
Answer:
If the starting GPE is doubled than it's KE would also double.