Physics CBA #1 1. An 18-wheeler, moving with a constant velocity, decelerates at
2.5 m/s?. If its initial velocity is 20 m/s, how much distance does it
take the truck to stop?
a. d = 4m
b. d = 20m
c. d = 80m
d. d = 140m

Which statement about covalent bonds is true

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.