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A skier starts from rest on the 40° slope at time t = 0 and is clocked at t = 2.58 s as he passes a speed check-point 20 m down the slope.
Determine the coefficient of kinetic friction between the snow and the skis Neglect wind resistance.
the gate in the is hinged at H.the gate is 2 m wide and normal to the palne of the diagram.calculate the force required to hold the gate closed.
How much would it cost to deliver one kilo Watt-hour? How does this compare with the cost of energy from your local electric utility at $0.10 per kilo Watt-hour?
Problem 1: A projectile is launched at point A with initial velocity 120 m/s and initial angle 40o as shown. In addition to the gravity, the wind exerts a horizontal acceleration of 2 m/s2 to the left on the projectile. Determine the flight time fo..
low-velocity steam with negligible kinetic energy enters an adiabatic nozzle at 300 c and 3 mpa. the steam leaves the
Steam enters a two-stage adiabatic turbine at 8 MPa and 550ºC (State 1) and is expanded to 2 MPa (State 2) in the first stage of expansion. This steam is reheated at constant pressure to 550ºC (State 3) before entering the second stage of expansion. ..
a drop of saline forms on the tip of a 5 mm diamter needle that is held in the verticle position. what is the maximum
The concentration of a metabolite within the bloodstream is 100 parts per million. Assume that 1000 mg of metabolite is to be used as a tracer, it is injected over 5 min and the downstream concentration is measured to be 4000ppm.
A vertical piston-cylinder device, which is insulated, initially contains 15 kg of water, 9 kg of which is in the vapor phase. The pressure inside the cylinder is maintained constant at 0.3 MPa by mass of the piston. Now steam at 0.8 MPa and 500 °C i..
an old-style wooden irrigation gate is opened by pulling on a steel cable that connects to the bottom of the gate. how
during a plant visit it was noticed that a 12-m-long section of a 12-cm-diameter steam pipe is completely exposed to
Figure 1 (a) & (b) show some preliminary drawings of a passenger railway carriage that was supplied to a design engineer to confirm the thickness of Aluminium sheets needed to fabricate the superstructure of the carriage.
Compute the average density of a solid solution which contains 10 kg of gold, Ag, and 90 kg of silver, Au. The density of pure gold is 19.32 g/cm3 and the density of pure silver is 10.49 g/cm3
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