Um movimento retrógrado e acelerado é aquele que 1) Um carro anda para frente acelerando 2) Um carro anda pra trás freando 3) Um carro anda pra frente freando 4) Um carro anda pra trás acelerando

At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.

What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic