Please Please Please help on these 3 questions :) 20 POINTS!! - NO LINKS PLEASE What are the forces applied to a catapult while it's on the ground?
What forces are applied to the catapult itself?
What forces are applied to the marshmallow (object being launched)?

Please answer them all to get Brainliest!!

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates