I think the answer is d. In the magnetotail. I hope this helps! :)
<span>It reacts to the </span>motion<span>. If the mass hanging from the pulley was overwhelmingly heavier than the mass on the ramp, it'll obviously pull the ramp mass up and thus </span>friction<span> would be trying to oppose this and vice versa. </span>
30 km/h * 17 h = 30*17 km/h *h
= 510 km
The answer will be 8 because kedks
