What is the coefficient of kinetic friction of skis on snow
Sam, whose mass is 75 kg, takes off down a 50-m-high, 10 degree slope on his jet-powered skis. The skis have a thrust of 200 N. Sams speed at the bottom is 40 m/s. What is the coefficient of kinetic friction of his skis on snow?
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How is information about DNA structure used as a taxonomic tool?
During 5 successive 0.97 min intervals, a runner moves at the following constant speeds: 0.436 km/min, 0.250 km/min, 0.160 km/min, 0.160 km/min, and 0.320 km/min. Compute the total distance traveled and the average speed.
What function finds the largest value in a group of records?
A 100 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30.0 below the horizontal. The coefficient of kinetic friction is 0.200. What should be the magnitude of P, so that the net work done by it and the kineti
The skis have a thrust of 200 N. Sams speed at the bottom is 40 m/s. What is the coefficient of kinetic friction of his skis on snow?
A long horizontal wire carries a current of 48 . A second wire, made of 2.2 diameter copper wire and parallel to the first, is kept in suspension magnetically 15 below . What is the current of the second wire?
If an error occurs when opening or reading a file, the program should write an appropriate error message to stderr and continue processing any remaining files on the command line.
1. What is biometrics and in what ways is it useful? 2. What are card readers and combination lock pads? What is a motion detector? How are they useful?
What is the electromagnetic spectrum? Give examples of each kind of wave and relate each example to its relative position in the spectrum.
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