What force is required to accelerate a body with a mass of 15 kilograms at a rate of 8 m/s2?

a. 23 kg
b. 120 n
c. 23 n
d. 1.875 kg

F = m * a

F = 15 kg * 8 m/s²

F = 120 N

Answer B

hope this helps

Question was not very clear if there are specific answer choices tell me and i'll try to you more. hope this though2 laps is 1 min. we know that for each min she does two times the amount of laps. for 12 laps we can do 12/2 which does give us 12 laps in 6 mins not 16 mins.

By dividing you can find the answer