Answer:
1400 units of momentum.
Explanation:
Using the formula p=mv. We can get the momentum using 70*20 =1400 units of momentum
Answer:
measured in GHz?
Explanation:
im not sure what the context is it depends on what your lesson is on
Answer: 37.5 kg in 3 s.f.
Explanation:
The reason why there is no energy shortage nor will there ever be is because energy is being preserved and conserved and only changes form. It never gets lost or increased.