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A 55-kg vampire and 171-kg werewolf clash during the Feat of Strength part of the annual celebration of Festivus. The werewolf velocity just before the clash is 5 m/s and is directed upwards, while the vampire velocity at the moment of the collision is 12m/s and is directed down. They clash in mid-air exactly 8 meters above the ground. Vampire will starts feeding on werewolf at the moment of collision, and will not stop until they hit the ground. Find how long (in s) will the vampire feast on the werwolf? Calculate the answer to two decimal places.
In an experiment to measure the speed of sound in air, standing waves are set up in a narrow pipe open at both ends using a speaker driven at 687 Hz. What is the air temperature inside the pipe
There is a uniform charge distribution of ? = 8.12 10-8 C/m along a thin wire of length L = 5.94 cm. The wire is then curved into a semicircle that is centered about the origin, so the radius of the semicircle is R = L/?. Find the magnitude of the el..
Two slits are 0.168 mm apart. A mixture of red light (wavelength = 664 nm) and yellow-green light (wavelength = 568 nm) falls on the slits. A flat observation screen is located 2.41 m away. What is the distance on the screen between the third-order r..
An object with a mass of m = 5.5 kg is attached to the free end of a light string wrapped around a reel of radius R = 0.275 m and mass of M = 3.00 kg. compute the magnitude of the acceleration of the object
A 0.15g honeybee acquires a charge of 21pCwhile flying, What is the ratio of the electric force on the bee tot he bee's weight and What electric field strength and direction would allow the bee to hang suspended in the air
Find the work done by this force on the particle and the final speed of the particle as it moves along a path.
A Carnot engine whose cold reservoir temperature is 1.0 C has a thermal efficiency of 40%. By how much should the temperature of the hot reservoir be increased to raise the efficiency to 60%?
Find the electric field at the top point of a right circular solid cone of charge Q, uniform density. The cone has a radius a and a height h.
A Ferris wheel is moving at an initial angular velocity of 1.0 rev/53 s. If the operator then brings it to a stop in 2.8 min, what is the angular acceleration of the Ferris wheel
Find out the direction of the train motion
Suppose an oxygen molecule traveling at a velocity of 480m/s bounces back and forth between opposite sides of a cubical vessel 0.19 on a side. What is the average force per unit area
Find the power factor for an RC circuit connected to a 80.0Hz generator with an rms voltage of 155V
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