Describe how mass and distance affect gravitational force?

Explanation:

The Newton's law of gravitation gives the force acting between two bodies when they are separated by some distance. Mathematically, it is given by :

It shows that the gravitational force is directly proportional to the product of masses of two bodies and inversely proportional to the square of distance between them.

So, as the mass of bodies increases, the gravitational force increases and with the increase of distance between them, the gravitational force decreases.

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr