Welween mass and weight. (1 mark) (b) A girl has a weight of 88 N on the moon, where g = 1.6 N/kg.
(i) What is her mass?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

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?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?