The potential energy of the box when it gets to the top is
(mass) (gravity) (height)
= (7 kg) (9.8 m/s²) (5 m)
= 343 joules.
That's the work done against the force of gravity. Any
additional work is done against the force of friction.
Power= energy/time= 360/(2*60)=3 W thats 2nd option
Answer:
Here so tip for ur essay
Explanation:
the topic : Space Stations or The Age Of Space Exploratio
The third hour was positive acceleration and the second hour was negative acceleration
<h2>34.9×46×809</h2><h3>=1605.4×809 </h3><h3>=1298768.6</h3>
please mark this answer as brainlist
