if anyone is doing the Buzz academy this year, i would love your help, im in 8th grade and i need help on 2.03, conservation of mass in science, plz help

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b