Answer:
40 j, 80j.
Explanation:
P.E= mgh. G=10 m/s².
For 4m, P.E=1*10*4=40 joules.
For 8m, P.E=1*10*8=80 joules.
Answer:
A, total.
<em>The </em><em>total</em><em> energy in a mechanical system is determined by adding the potential and kinetic enters together.</em>
<em />
<u><em>i hope this helped at all.</em></u>
<em />
Calm, sunny days with wind moving away from the center.
If they both are moving with the same speed and direction
i.e. covering the same distance in the same time interval in the same direction
