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A ball of mass .350kg is swung at the end of a 2.40m string such that the plane of its path is horizontal and the circle it moves in has a radius of 1.40m. Discover the tension in the string and the angle at which the string makes with the vertical.
They result in elastic collision. Car a is moving towards car b with velocity of 3 m/s and car b is moving toward car a with velocity of 11 m/s. what are the final velocities of cars
A 318 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 624 mmHg. compute the moles of Ar present.
a wave on a string is described by dxt 2.00cm sin 12.57radmx - 638 radst where x is in meters and t is in seconds.
A series RLC circuit has components with the following values: L = 22.0 mH, C = 94.0 nF, R = 30.0 ?, and ?Vmax = 100 V, with ?v = ?Vmax sin ?t. Find the amplitude of the voltage across the inductor
A projectile is launched from the ground and sails across an open field. At launch, its total mechanical energy is 100 J. At its highest point, is its potential energy greater than, less than, or equal to 100 J? Explain, assuming that air resistance ..
It takes 2.7×106J of heat to bring a quantity of water from 24?C to a boil. What is the mass of water
A wall is composed of two materials. Material 1 has a thickness of 5.89 centimeter and a thermal conductivity of 0.1 the material 2 has a thickness of 5.87 centimeter, obtain what is the temperature of the interface to the nearest tenth of a degree..
A steel band exerts a horizontal force of 76N on a tooth at point B. What is the torque on the root of the tooth about point A.
A uniform rod of mass M and length L is sitting vertically with one end resting on a frictionless surface, perfectly balanced. Find the angular velocity of rod just as it hits the ground
if an object is near the surface of the earth the variation of its weight with distance from the center of the earth
Here is the familiar pair of carts connected by a spring. Determine what are the relative speeds of the carts when the spring is released
the nobel prize was given to penzias and wilson in 1978 for their observation of the cosmic background radiation the
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