Awild pig attacks a hunter with a velocity of 5 m/s. at the instant when the pig is at a distance of 100 m the hunter shoots an arrow with an angle of 40° above the horizontal. what is the initial velocity of the arrow to kill the wild pig?

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

What is the most useful equation for electric power?

If element x has 99 protons how many electrons does it have