Answer:
The average power the student expended to overcome gravity is 560W, Watts is a units of work it is Joules /time or kg*/
Explanation:
Weight = 700N
The power is the work in (Joules) or (N*m) in a determinate time (s) to get Watts (W) units for work
Answer:
D. Left
Explanation:
The question is worded weirdly, but based on the fact that heat transfers from hot to cold and the temperature on the right is warmer than the temperature on the left, I would say that the heat is flowing from the box on the right to the box on the left.
I hope this makes sense and was helpful! ☺
<span>The answer is D. mountains have been eroding for millions of years. The Appalachian Mountains is an older group of fold mountains. It is much older than the Himalays that do not exibit this rounded shape. As tectonic forces enable mountain building, forces of weathering, erosion and mass wasting are constantly eating away at them. </span>
Action and reaction forces act on different objects in the interaction. Two equal and opposite forces acting upon the same object don't create a pair(action-reaction). That's why they don't cancel each other out.
Answer:
Hope it helps you :)
Explanation in the pic above.