Application: 4) 1 food Calorie is equal to 4184 J.

a) Knowing this, about how many times would your runner have to go up the stairs in

order to burn off a 500-Calorie meal?

(soo)(4184)-20920o0 J

1667 timer

b) How long would it take them to burn off the meal?

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?