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A potential energy function for a two-dimensional force is of the form U = 3.89x3 y - 5.96x. Calculate the force that acts at the point (1.28m,1.17m). Enter the x-component first and then the y-component.
What is the tangential acceleration of a bug on the rim of a 13.0-in.-diameter disk if the disk accelerates uniformly from rest to the angular speed of 76.0 rev/min in 3.50 s.
For a certain change, the value of ëU is -2.37 kJ. During the change, system absorbs 650 joules. How much work did the system do.
A vertically positioned charged disk of radius R contains a unfirom positive charge density sigma. Find the expression for the angle theta made between the disk edge and the length L
a car driving on the turnpike accelerates uniformly from 84.0 ft/s (57.3 mph) to 112 ft/s (76.4 mph) in 3.60s. what is the cars acceleration
a tennis ball is fired from a gun that us mounted on the floor. the tennis ball has an initial speed Vo= 25.0m/s, what is the speed of the tennis ball when it reaches your racket
You are eating lunch at your favorite cafe and your friend calls and says he wants to meet you. He is calling from a city 175 miles away and wants to meet you somewhere between the two locations. how long will your friend be driving before he meets..
The gravitational force between two masses M and m separated by a distance r is 40 N. What is the new force when this distance is halved?
Some of the earliest atomic models held that the orbital velocity of an electron in an atom could be correlated with the radius of the atom, what is the kinetic energy of this orbital electron
Two small beads having positive charges 2q and q are fixed at the opposite ends of a horizontal insulating rod, At what position is the third bead in equilibrium
To make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole
An image of the moon is focused onto a screen using a converging lens of focal length f=35.3cm. What is the diameter of the moon's image
A stone is thrown horizontally from the top of a 15m building. The stone hits the ground at a point 24m from the base of the tower. Determine the speed of the stone just before it hits the ground
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