The potential energy of the box when it gets to the top is
(mass) (gravity) (height)
= (7 kg) (9.8 m/s²) (5 m)
= 343 joules.
That's the work done against the force of gravity. Any
additional work is done against the force of friction.
Answer:
The three characteristics of a good scientist are his curiosity, creativity and problem-solving skills.
Explanation:
Answer: A is Compression and B is Rarefaction.
Explanation:
i think it's right. hope it helps.
A-11 polar easterlies
b-8 winds blowing between the equator and 30° N and south
c-10
d-9
