Your brother calls you sounding desperate because his truck

Last updated: 6/14/2023

Your brother calls you sounding desperate because his truck got stuck in a muddy patch near the top of a hill on his farm as he was hauling watermelons to the store When you arrive you realize you probably can t pull his heavy truck up the hill with your lightweight car But he has two pulleys and some rope and having just taken Physics 129 at Sunshine College you realize you might be able to pull him out if you could be driving down the other side of the hill The truck is a distance d 35 m from the top of the hill a First you do a quick calculation You know your car will accelerate from zero to 30 m s about 60 mph in 10 s on a horizontal road and you know the mass of your car is mc 1100 kg Using that information you calculate the force your car exerts against the road Find what it is 9 5