Two protons impose a force of 6.5 Newtons upon each other. Are protons positive or
negative?

Physics make-up packetname_cle14. an observer hears a sound with a frequency of 400 hz. if the speed of sound is 340 m/s,what is the wavelength of the sound? a. 0.85 mb. 1.2 mc. 2.75 m13.6 m15. as sound travels from steel into air, its speed decreases. if the frequency of the wavedoesn't change, what happens to its wavelength? a. it increases(b) it decreasesc. it remains the samed. there is not enough information given

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

What is a carrier wave and how does it affect what you hear on the radio