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A) In friction problems, the text uses R in place of the frictional force and normal force. Derive R. and why is Micro= tan (Q). Q is not theta, not Beta, not gamma. I don't know how to explain, I think it is called Si.
B) What is the difference between Truss and a Frame? And what is the difference between frame and machine?
A 0.250 kg ball attached to a string s being swung in a vertical circle, What is the minimum speed at the top of the circle to keep the string from going slack
A 1-microF capacitor, a 10-Ohm resistor and a 1 microH inductor are connected in series with a sinusoidal signal generator of 10V peak voltage amplitude operating at a frequency ? of 100 rad/s. Find the amplitude of current oscillations in the circ..
Minh pulls a 10-kg crate on a rough inclined ramp with a cable tension F, directed towards the top and parallel to the plane. The angle of inclination of the plane is 30 and the coefficients of static and kinetic friction between the block and the in..
A car has its 0.45m long radio antenna oriented vertically upward and is traveling at highway speeds of 70 mph. Calculate the range of induced emf on the antenna
Parametric study on the effects of activated carbon by calcium chloride activation from bark of calamansi tree on sewage wastewater treatment.
A 0.477 kg block of wood hangs from the ceiling by a string, and a 0.0680 kg wad of putty is thrown straight upward, How high does the putty-block-system rise above the original position of the block
A velodrome track is banked so that a bicycle traveling at 69.9 km/h will have no tendency to slip to either side when traveling on the path that has a radius of curvature of 54.0 m
In a hydraulic system, the piston on the left has a diameterof 5.1 cm and a mass of 1.7 kg. what is the height difference between the two pistons
A 30 cm-diameter vertical cylinder is sealed at the top by a frictionless 15 kg piston. What will the height of the piston be
Muons are created in the atmosphere by collisions of cosmic rays (mostly high energy protons) with air molecules. Muons have a rest energy of 105.7 MeV and a half life in the laboratory frame of 1.4μs. This lifetime can be increased indefinitely b..
the two flat air ballons in the drawing are 3.2 meters and 61.0 meters above the ground. what is the horizontal distance x between the two balloons
With each cycle, a 2510-W engine extracts 2070 J from a thermal reservoir at 90 °C and expels 1340 J into a thermal reservoir at 20 °C. What is the work done for each cycle? What is the engine's efficiency?
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