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A 0.170 kilogram dart is fired straight up. Determine the vertical distance the dart travels from its position when the spring is compressed to its highest position.
The same dart is now fired horizontally from a height of 3.90 meter. The dart remains in contact until the spring reaches its equilibrium position. Calculate the horizontal velocity of the dart at that time.
As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and the cloud to be the other plate, What is the capacitance of the system
Consider two thin, ideal, conducting wires of radius a centered on r? = (?d/2,0,0) and r+ = (d/2, 0, 0), parallel to the z axis and extending to infinity. Assume that both conductors are in a vacuum.
A crate, mass = 60 kg, is pulled along a horizontal surface with a coefficient of kinetic friction ?= 0. 2 by a rope which makes an angle of 53 degrees with the horizontal. What is the acceleration of the crate
a ball is shot from the ground into the air. at a height of 9.1 m the velocity is observed to be v 7.4 i 6.3 j ms
A person whose eyes are H = 1.64 m above the floor stands L = 2.3 m in front of a vertical plane mirror whose bottom edge is 38 cm above the floor. What is the horizontal distance x to the base of the wall supporting the mirror of the nearest point o..
An ice-making machine inside a refrigerator operates in a Carnot cycle. It takes heat from liquid water at 0.0 degrees Celsius, How much heat |Q_H| is rejected to the room
Two forces act on an object. A 36-N force acts at 225o. A 48-N force acts at 315o. What would be the magnitude and direction of their equilibrant, What is the acceleration of the spider
A cord 15.m long has a mass of 3.00 grams. Ifthe tension were provided by a 2.5 kg mass, how long would the cord be to vibrate with one anti node
A ball is thrown upward with an initial velocity of 96 ft/secfrom the top of a 100 ft building. hen will the ball attain its maximum height?
A wheel is disconnected from a motor and come to rest from 14,000 rpm because of a 0.90 m·N frictional torque. How many revolutions has the wheel turned before coming to rest
In the winter, a thin film of ice (nice = 1.31) can form on a window (nglass = 1.50). Calculate the minimum thickness of the film
A satellite of mass 200 kg is launched from a site on earth’s equator into an 200 km above the surface of earth (a) assuming circular orbit what is the orbital period of the satellite (b) what is the satellite speed in its orbit
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