4-What determines the length of a planet's day? *

A. tilt
B. orbit
C. moons
D. rotation

The force will determine the acceleration.

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

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