1 Find the acceleration of an object if there is a force of 20 newtons in one direction and 10 newtons in the opposite direction. The mass if 2 kg.

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?

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

A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s