Question

Find out the power developed while lifting a box of mass 38 kg at a constant velocity of 4 ms-¹ against gravity .Take g=20 ms-²

$\mathtt \red { NOTE}$
Don't give ajeebo gareeb answers ​

Answer 1

Answer:

Force =mt(v−u)=m⋅a

Displacement =2a(v2−u2)

Word done (W) = Force × Displacement

                  =m⋅a⋅2a(v2−u2)

W =21m(v2−u2)

W =21×20×(2500−1600)

    =21×20×900

    =9000J

Therefore, the work done to attain the final velocity is 9000J

Answer 2

Answer:

hm!-hmm?

so???

tell me..how's your life goin?

got any bf?( ͝° ͜ʖ͡°)

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oh...he is tenth?-_-

i feel like he is kinda...um..short tempered?(・–・;)ゞ

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like srsly....

your not even one question is left without answering...

welp-☠️

this is dah

one and only question left without answering in your whole question bank?ಥ‿ಥ

now idk how mi gonna answer for your next question