Physics, 07.12.2021 05:40 mariaaaaa69
a car leaves a red light and reaches the speed limit of 70 km/h in 10.9 s. what was the acceleration of the car as it reached the speed limit?
Answers: 1
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Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp
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Aparticle of mass m is placed in a one-dimensional box of length l. the box is so small that the particle’s motion is relativistic, so that e p2/2m is not valid. (a) derive an expression for the energy levels of the particle using the relativistic energy–momentum relation and the quantization of momentum that derives from connement. (b) if the particle is an electron in a box of length l 1.00 1012 m, nd its lowest possible kinetic energy. by what percent is the nonrelativistic formula for the energy in error?
Answers: 1
a car leaves a red light and reaches the speed limit of 70 km/h in 10.9 s. what was the acceleration...
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