You are driving down the street and your car suddenly runs out of gas. you and your friend are forced to push your car to the nearest gas station. if you are pushing with a force of 20. n and your friend is pushing with a force of 40. n, while the rolling friction from the car is 2n, what is the net force of the car?

In a system, when potential energy decreases, then entropy also decreases. true false

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f