In the figure, a T-bar ski tow pulls a skier up a hill inclined at 10° above horizontal. The skier starts from rest and is pulled by a cable that exerts a tension T at an angle of 30° above the surface of the hill
The mass of the skier is 60 kg and the effective coefficient of kinetic friction between the skis and the snow is 0.100. What is the maximum tension in the cable if the starting acceleration is not to exceed 0.400 g?
A) 246 N
B) 366 N
C) 431 N
D) 187 N
E) 535 N
Answer: C
You might also like to view...
Black holes emit radiation in the form of ________ waves known as Hawking radiation.
A. gravitational B. nuclear C. seismic D. electromagnetic
The potential energy at x = 8 m is -2000 V and at x = 2 m is +400 V. What is the magnitude and direction of the electric field?
A) 200 V/m directed parallel to the +x-axis B) 300 V/m directed parallel to the +x-axis C) 400 V/m directed parallel to the +x-axis D) 500 V/m directed parallel to the +x-axis E) 600 V/m directed parallel to the +x-axis
A steam line is insulated with 15 cm of rock wool. The steam line is a 5 cm OD iron pipe with a 5 mm thick wall. Estimate the heat loss through the pipe per meter length if steam at 120ºC is in the line and the surrounding temperature is 20ºC. Also determine the temperature distribution through the pipe and insulation.
What will be an ideal response?
Venus is often called Earth's sister planet because it is similar to the Earth in terms of
a. mass. b. size. c. density. d. mass, size, and density.