Answer:
Power = 70 W
Explanation:
Given that,
Force, F = 70 N
Height, h = 5 m
Time, t = 5 s
We need to find the power of the object. We know that,
Power = work done/time
Put all the values,
So, the required power is 70 W.
Answer:
a) wet marble , dry marble, newspaper, and towel
It’s cause by the fact that the earth is tilted 23.5 degrees
Janice is the one who learned something by watching what was going on in the world around her.
A vertical polarizing filter is used on the lens of a camera, they block out the light that is horizontally polarized, so they allow all of the vertically polarized<span> light to pass through.</span>