Calculate the coefficient of static friction
A block of 7.8kg on an inclined plane just begins to slide at an angle of inclination of 35 degree. calculate the coefficient of static friction between the block and the incline?
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An Alaskan rescue plane traveling 35 m/s drops a package of emergency rations from a height of 136 m to a stranded party of explorers.
If the company were to obtain insurance on the property, it would cost them $1,000,000 per year. The company estimates that on average it will incur losses of $800,000 per year. During 2007, $350,000 worth of losses were sustained. How much total
The skin temperature of this individual is 36°C and that of her environment is 19° C. The emissivity of her skin is 0.75 and its surface area is 1.3 m2. How much time would it take for her to emit a net radiant energy from her body that is
A cyclist accelerates uniformly from a speed of 10 km/hr to 30 km/hr in 8 seconds. His wheels are 0.71 m in diameter, and for the gear he is in, the pedals make 1 revolution for every 3 revolutions of his bicycle wheels. What is the angular accel
A diver 60 deep in 10 fresh water exhales a 1.0 diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20? Assume that the air bubble is always in thermal equilibrium with the sur
Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generated by Lance Armstrong (m = 75.0 kg) is 6.50 W per kilogram of his body mass.
A golf ball is struck with a five iron on level ground. It lands 105.0 m away 5.00 s later. What was the magnitude and direction of the initial velocity?
At t = 0, a 738g mass at rest on the end of a horizontal spring (k = 101N/m) is struck by a hammer, which gives it an initial speed of 2.58m/s. Determine the period of the motion.
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