An arrow with a mass of 0.015 kg is shot at 91 m/s and sinks 11 cm into a target.

a.) Find the force of friction provided by the target.

b.) Find the impulse the wood exerts on the bullet.

c.) Find the time it takes for the bullet to stop.

Explain vector addition, triangle method and parallelogram method

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 is a possible result of higher air temperature caused by global warming