To decrease the amount of time required to work without changing the total amount of work, you need

increase distance
increase power
decrease power
decrease distance

i think the answer would be reserve.

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

once a carousel is in motion, the constant movement of the carousel horse around the center of the circle can best be described asacceleration or change in velocity.