110-kg motorcycle and rider are traveling at 20 m/s. the rider notices a wreck ahead, applies the brakes, and manages to stop the car in 12 meters. using work-energy, find the force of friction used to stop the car. (pick the answer closest to the true value.)

a. 37,500 newtons
b. 3,375 newtons
c. 337 newtons
d. 450 newtons
e. 2,250 newtons

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear

When temperature of a substance increases, of its particles increase resulting in more between particles. real world applications of thermal expansion absolute zero (-273 degrees c) is the lowest possible temperature on the kelvin scale. it is a measure of where a substance has no kinetic energy. heat is a process of the . energy flows spontaneously from a object to a until equilibrium is reached. heat is measured in heat is transferred throughis a method of heat transfer that occurs between particles of matter that are in direct contact with each other. are poor conductors that impede / reduce the rate of heat transfer. is a method of heat transfer that occurs in fluids (non-solids) by means of currents. real world application of convectiona method of heat transfer through electromagnetic waves. when energy moves from one object to another inside a closed system, no energy is or in the system in the transaction. systems will spontaneously move to a state of organized energy or high disorder over time called

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car