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The homogeneous 18-kg pulley is attached to the bar ABC with a pin at B. The mass of the bar is negligible. The cable running over the pulley carries a tension of 600 N. Determine the magnitudes of the support reactions at A and C.
The electron gun in a TV picture tube accelerates electrons between two parallel plates 1.5cm apart with a 27 kV potential difference between them.
Nitrogen forms hydrides. One of them, A, is acidic and contains 2.3% of hydrogen. Another, B, is a base containing 87.5% of nitrogen. In what molar ratio do they combine if it is known that the salt formed by their combination contains 6.7% hydrogen?
Manufacturers of headache remedies routinely claim that their own brands are more potent pain relievers than the competing brands. Find the number of molecules of pain reliever
Write down the mathematical relationship between velocity (v) and time (t) for a coin tossed up into the air after it leaves the thrower's hand at t=0 with a velocity of +15.0 m/s. Assume that the positive direction is upward and the acceleration of ..
A hoop and a disk (both of mass 1.8 kg and radius of 0.2 m) roll without slipping up a straight incline with an initial velocity of 2.8 m/s. What is the maximum gain in height of the disk
A mass m1 = 4.7 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 4.3 kg which hangs freely from the string. What is the tension in the string as the block falls
an object is placed at a distance of 1.5 m from a screen and a convex lens is interposed between them. the
A plastic light pipe has an index of refraction of 1.42. For total internal reflection, what is the minimum angle of incidence if the pipe is in the following media
Suppose there was a process by which two photons, each with momentum 0.60MeV/c ,could collide and make a single particle. find the maximum mass that the particle could possess
A ray of light in a vacuum has a frequency of 6.0 x 1014 Hertz. The ray then enters a liquid of refractive index 2. Obtain the frequency of the light in the liquid
explain the significance of rh in a hall sensor and using the hall sensor how would you prove that the charges that
How do we calculate banking angle of a ramp which has a radius r1 if a car has to travel at a velocity of v1 without losing control. The ramp is an increasing radius ramp with inner most radius at r1 and outermost radius at r2.
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