A truck is traveling with 50,000 J of kinetic energy. It
hits the brakes and the truck now has...
A truck is traveling with 50,000 J of kinetic energy. It
hits the brakes and the truck now has only 20,000J of
kinetic energy. Where does the rest of the energy go?
In other words what type of energy is the kinetic
energy converted into to keep mechanical energy?
Include Law of Conservation of Energy in your 2-3
sentence response.
Answers: 1
Physics, 22.06.2019 03:00, iicekingmann
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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
Answers: 1
Physics, 22.06.2019 10:30, SauceyNaee
Aparticle moves in the xy plane with constant acceleration. at time zero, the particle is at x = 6 m, y = 8.5 m, and has velocity ~vo = (9 m/s) ˆı + (−2.5 m/s) ˆ . the acceleration is given by ~a = (4.5 m/s 2 ) ˆı + (3 m/s 2 ) ˆ . what is the x component of velocity after 3.5 s? answer in units of m/s.
Answers: 1
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