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Object A is metallic and electrically neutral. It is chargedby induction so that it acquires a charge of -3.0*10-6C. Object B is identical to object A and is also electricallyneutral. It is charged by induction so that it acquires acharge of +3.0*10-6 C. Find the difference in mass between the charged objects and state which has the greatermass.
If air drag is negligibly small, how fast is sequoia cone moving while it reaches the ground if it dropped from the top of a 114 tree.
A lid is put on a box that is 11 cm long, 11 cm wide, and 8.0 cm tall and the box is then evacuated until its inner pressure is 4.2 104 Pa. How much force is required to lift the lid at sea level
A 5 kg ball is thrown upward with an initial speed of 30 meters per second. Suppose there is a constant air resistance of 25N opposing the motion during its entire up and down path. How long will it take to get to the highest point in its path? How h..
find static friction between the chair and the floor.
Calculate the average kinetic energy and the average potential energy for the 2nd excited state of a harmonic oscilator. use expectation values to calculate a quantum mechanical average, show integrations.
Your spaceship lands on an unknown planet. To determine the characteristics of this planet, you drop a 1.20 kg wrench from 3.00 mm above the ground, Express the planet's mass in terms of the earth's mass
W hat is crates acceleration
Two point charges of equal magnitude are 7.3cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 40N/C . Find the magnitude of the charges.
Transverse waves travel with a speed of 23.0 m/s in a string under a tension of6.20 N. What tension is required for awave speed of 30.0 m/s in the same string
two speakers emit sound waves with frequency 4.71 khz. they are driven by the same oscillator so that they are in phase
the terminals of a 12-v battery are connected to parallel plates. what plate separation would produce an electric
The Hoover Dam is 220 meters high and the pressure at the bottom of the dam is 2.2 million Pascals. What is the pressure at 55 meters from the surface in million Pascals
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