It is stable if the atom has a full outer shell
ENERGY = POWER X TIME
=60 X 120=7200KWh
Answer:
change an object's motion goes in unbalanced
does not change an object's motion goes in balanced.
net force = 0 goes in balanced
net force does not =0 goes in unbalanced
have direction foes in unbalanced
I'm not sure about push or pull but I would say unbalanced
Answer:
The correct option is (b).
Explanation:
The output power of any object is given by the work done divided by time taken i.e.

F is applied force
t is time taken
To increase the power output, the player would need to use a greater force and take less time. Hence, the correct option is (b).
Answer:
6 seconds
Explanation:
If it took the ball 3 seconds to reach the maximum height, then it also took 3 seconds to return to its original height. So it was in the air for a total of 6 seconds.