The diagram below shows a block connected to a spring oscillating in simple harmonic motion. At (a), the block is at its maximum displacement. What types of energy does the block-spring system have at (a)?

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

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?

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity