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A mass m slides in the bottom of a hemispherical bowl of radius R under the influence of gravity. Find the equation of motion and the period of small oscillations. Extra credit : Find the constraint force.
A Carnot engine operates between temperatures of 747 and 324 K. Calculate what the efficiency would be if (a) the temperature of the hot reservoir were raised by 42.5 K or (b) if the temperature of the cold reservoir were lowered by 42.5 K. (Give ..
A charge -318e is uniformly distributed along a circular arc of radius 7.00 cm, which subtends an angle of 49o, What is the linear charge density along the arc
An electon is accelerated through 25000 V. how much energy and what frequency will one photon have
Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.00 m. What is the frequency of the sound
A spherical rain drop carries a charge of 2.70E-8 C and has a potential of 5.76E+4 V at the surface, Find the surface area of the drop
The supersonic aircraft Concorde has a length of 63 when sitting on the ground on a typical day when the temperature is 13.00. The Concorde is primarily made of aluminium. In flight at twice speed of sound, friction with the air warms the Concorde..
A block of mass m1 = 4.00 kg on a frictionless inclined plane of angle 30.0° is connected by a cord over a massless, What is the magnitude of the tension in the cord
A homemade capacitor is assembled by placing two 9-in. pie pans 4cm apart and connecting them to the opposite terminals of a 6-V battery, Estimate the work done by the battery to charge the plates
A simple pendulum has a mass of 0.150 kg and a length of 3.00 m. It is displaced by an angle of 12.0° and then released. What is the utmost speed?What is the maximum angular acceleration?What is the maximum restoring force.
A woman at an airport is towing her 15.0-kg suitcase at constant speed by pulling on a strap at an angle ? above the horizontal. What angle does the strap make with the horizontal
A converging lens has a focal length of 100.0 cm. A 12.0-cm-tall object is located 124.0 cm in front of this lens. find Is the image real or virtual
You push with a horizontal force of 50.0N against a 24.0N box, pressing it against a rough wall to hold it in place. what is the friction force of the box
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