Physics, 27.09.2019 16:30 kcombest2979
A920-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.4 m before stopping. the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was the speed of the sports car at impact?
Answers: 3
Physics, 22.06.2019 02:00
The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.
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Physics, 22.06.2019 06:30
The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?
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Physics, 22.06.2019 11:20
More solar radiation is absorbed by earth’s surface than by
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A920-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers l...
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