Physics, 30.06.2019 04:00, roygbiv1233
Part a: if the coefficient of kinetic friction between tires and dry pavement is 0.81, what is the shortest distance in which you can stop an automobile by locking the brakes when traveling at 30.6 m/s? part b: on wet pavement, the coefficient of kinetic friction may be only 0.25. how fast should you drive on wet pavement in order to be able to stop in the same distance as in part a? (note: locking the brakes is not the safest way to stop.)
Answers: 3
Physics, 22.06.2019 01:10, twhalon72
The x-coordinate of a particle in curvilinear motion is given by x = 3.1t3 - 4.9t where x is in feet and t is in seconds. the y-component of acceleration in feet per second squared is given by ay = 2.3t. if the particle has y-components y = 0 and vy = 5.0 ft/sec when t = 0, find the magnitudes of the velocity v and acceleration a when t = 1.8 sec. sketch the path for the first 1.8 seconds of motion, and show the velocity and acceleration vectors for t = 1.8 sec. answers: v = ft/sec a = ft/sec2
Answers: 2
Part a: if the coefficient of kinetic friction between tires and dry pavement is 0.81, what is the...
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