After katniss is unsuccessful at cutting down the branch she finds a gift from her sponsors. what is the gift and why can it potentially really to save katniss life?

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.