If we decrease the distance an object moves we will a. decrease the amount of force applied. b. decrease the amount of work done. c. increase the amount of force applied. d. increase the amount of work done.

B. decrease the amount of work done

Explanation:

Only parameter that changed is given as the distance moved. So by assuming the force applied is the same when distance moved decrease, the work done is also decreased.

Consider the equation,

Work done = Magnitude of the force × distance the force moved.(distance the object moved)

So you see if distance of force moved decrease, work done will reduce.

scientific laws are the result of testing theories and proving them to be facts.

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