An object with a mass of 120 kilograms is moving at a velocity of 30m/s what’s its momentum

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?

Newtons view of arrangement of the universe. don't copy from anywhere.