Physics, 28.12.2019 14:31 Rawknowledge24
Atraffic accident detective measures the skid marks left by a car, 825kg. he determines that the distance between the point that the driver slammed on the brakes and the point where the car came to a stop was 34.0 m. from a reference manual he determines that the coefficient of kinetic friction between the tires and the road under the prevailing conditions was 0.300. how fast was the car going when the driver applied the brakes? (this car was not equipped with anti-lock brakes.
Answers: 2
Physics, 22.06.2019 10:10
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
Answers: 2
Physics, 22.06.2019 16:30
Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.
Answers: 1
Physics, 22.06.2019 21:10
Aspecified volume of space contains an electric field for which the magnitude is given by e=e0cos(ωt). suppose that e0 = 20 v/m and ω = 1.0 × 107 s−1. part a what is the maximum displacement current through a 0.80 m2 cross-sectional area of this volume? express your answer with the appropriate units. idisp,max i d i s p , m a x = nothing nothing request answer part b how would this area have to be oriented relative to the electric field to get this maximum displacement current?
Answers: 2
Physics, 22.06.2019 23:30
How is the ideal mechanical advantage of a wheel and axle calculated?
Answers: 1
Atraffic accident detective measures the skid marks left by a car, 825kg. he determines that the dis...
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