An archer shot an 0.08 kg arrow at a target. The arrow accelerated at 3000 m/s2 to reach a speed of 40.0 m/s as it left the bow. During this acceleration, what was the net force on the arrow to the nearest newton?
120,000N
2,750 N
2,400 N
3.2 N

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

What kind of simple machine is a catapult?