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A circular platform is supported by 8 identical steel wires. The platform and its uniformly distributed load has a total mass of 3.7 kg. The breaking stress of steel is 7.50 x 108 pascals. The diameter of the wire is 2 mm. ( Y = 1.35 x 1011 pascals). Find the change in length for the wires, if Lo = 2.8 m
A horizontal light ray is incident on a crown glass prism as shown in the figure below where ? = 42.5°. Find the angle of deviation ? of the ray-the angle
Electrons in a photoelectric effect experiment emerge from an aluminum surface with a max kinetic energy of 1.30 eV. What is the wavelength of the light
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 5.5×10?3m/s2 less than that at sea level
During a drive by golfer Tiger Woods, the angular velocity of his club is zero at the top of the backswing and the 1719 degree/second at the bottom of the downswing just before impact with the ball
two capacitors, when connected in series have an equivalent capacitance of 200 microfarads. calculate the capacitance of each capcitor
Two coils of wire are placed close together. Initially, a current of 2.27 A exists in one of the coils, What is the mutual inductance of the two-coil system
Two charges, q1 = -80 nC and q2 = +50 nC are placed 3 m apart as shown. The (x,y) coordinates of the charges and two other points in meters are indicated. Find out the electric potential at points A and B
A 22.5 g bullet is fired from a rifle. It takes 2.60 10-3 s for the bullet to travel the length of the barrel, find the average net force exerted on the bullet
A large water tank springs a leak in its side whcih is 10 m above the ground. How far above the leak is the water level in the tank
A horizontal incident beam consisting of white light passes through an equilateral prism. What is the dispersion (thetaV -thetaR) of the outgoing beam
A double slit experiment is performed with sodium(yellow) light of wavelength 589.3nm and the interference pattern is observed on a screen 100 cm away. determine the separation between slits
A Ball Rolling Uphill. A bowling ball rolls without slipping up a ramp that slopes upward at an angle beta (B) to the horizontal. Treat the ball as a uniform, solid sphere, ignore the finger holes.
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