F = ma
a = f/m
if f doubled , acc. will be doubled

➡ 150hrs.

➡ Time = distance × speed
➡ Time = 15*10
➡ Time = 150hrs ans.
Answer:
i would like to help you but I can't help you i don't understand the question and i don't speak Spanish
Answer:
im pretty sure it B but I recommend waiting for another person. I used the workdone formula (Force*Dictance*cos(theta) and got 55 Joules
Explanation: