Two boxes, connected by a cord, are pulled horizontally on a frictionless surface with an applied force of 40.0 N. Box A has a
mass of 10.0 kg; Box B has a mass of 12.0 kg.
(Hint: you have Fn & Fg for BOTH vertically, you have decide on the horizontal forces.)
a. Draw a free body diagram for box A.
b. Draw a free body diagram for box B.
c. Find the acceleration, a, of the two boxes.
d. Find the tension, FT, in the cord connecting boxes A and B

The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?