Do mechanical waves transfer light energy?
a. yes
b. no

do electromagnetic waves transfer light energy?
a. yes
b. no

do mechanical waves transfer sound energy?
a. yes
b. no

do electromagnetic waves transfer sound energy?
a. yes
b. no

you so much < 3

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.

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

Suppose you plot the distance traveled by an object at various times and you discover that the graph is not a straight line. what does this indicate about the object's acceleration?