If a weightlifter raises a barbell with 100n of force from the floor over his head(2.5 meters) in 2 seconds. what is the power input?

Power input is 125 W.

Explanation:

Given:

Force applied for lifting the barbell,

Displacement caused by the force,

Time taken for the lift,

Work done by the weightlifter in raising the barbell is given as,

Now, power input is given as,

Therefore, the power input is 125 watts.

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..

i sometimes feel that way too. i feel that i should hurt someone because they hurt me, but i wouldnt do it. that would make things so much worse i have so much experience with this stuff

explanation: