haithamalbalushi374 haithamalbalushi374

31-05-2021
Physics

contestada

4p
A teacher pushed a 98 N desk across a floor for a distance of 5 m he
exerted a horizontal force of 20 N for four seconds. 1) How much work
was done ? 2) How was his power ? 3) what is meant by energy = 3J*

Respuesta :

desalegndagm388 desalegndagm388

31-05-2021

Answer:

You can get w =Fxd 20Nx5m w=100N energy= w÷t 100N÷4s E=25J 3 you can apply 3J in one second

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