Big bob is on his harley and moving at 14.0m/s. he then accelerates to a velocity of 25m/s over a distance of 0.250 km. what is big bob’s acceleration?

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

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?

How much energy is supplied to each coulomb of charge that flows through a 12-v battery?