Power = (work done) / (time to do the work)
= (21,000 Joules) / (30 seconds)
= (21,000 / 30) joule/sec
= 700 watts
The animal that is hunted and consumed is considered the prey
Given:
The mass of each sphere is
The distance between the two spheres is r = 2 m
To find the gravitational force that one sphere exerts on the other.
Explanation:
The gravitational force is caculated by the formula
Here, the universal gravitational constant is
Substituting the values, the gravitational force will be
Final Answer: The gravitational force that one sphere exerts on the other is 1.04 x10^-8 N.
The answer is Light rays are reflected by mirrors