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Suppose each of the object's three dimensions is increased by a factor of 3 without changing the material od which the object is made. By what factor will the density change?
Mass of electron = 9.11 x 10-31 kg, h = 6.626 x 10-34 J.s, c = 3 x 108 m/s; 1 eV = 1.6 x 10-19 J, Mass of a proton or neutron = 1836 x mass of electron, Mass of aluminum atom = 26.9 amu, 1amu = 1.66 x10-27 kg.
A 5 kg block sits on a surface with a maximum static coefficient of friction of 0.60. A 10g bullet is fired into the block. How much kinetic energy is dissipated in the bullet/block collision
Two protons are moving directly toward one another. When they are very far apart, What is the distance of closest approach?
A satellite has a mass of 95 kg and is located at 1.99 106 m above the surface of Earth. What is the magnitude of the gravitational force on the satellite
Five moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 460 to 155 K. Determine the work done by the gas
Which state is best illustrates kinetic friction
A solenoid made out of 3500 turns of a fine silver wire about a tube 1cm in radius has a potential drop of 3.2V at a current of 2A in the lab. What is the cross-sectional area of the wire
You have an uncharged capacitor (12 x 10-6 F) and a resistor (1000 ohms) connected to a battery of 200 V at time t = 0, What is the final charge on the capacitor
Consider a regular hexagon of side length, L=10cm. A charge, Q=2uc, is located at each vertex(there are 6). find the electostatic potential at the center of the hexagon
A uniform drawbridge must be held at a 35.0?angle above the horizontal to allow ships to pass underneath. what is the initial angular acceleration of the bridge
Two 6.0 kg objects head toward each other. Object A moves with a velocity of +7.0 m/s and Object B travels with a velocity of -5.0 m/s. What are their resulting velocities if the collision is perfectly elastic
To hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch of the tree. determine the man's upward acceleration
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