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Two large parallel metal plates are 6.5 cm apart and have charges of equal magnitudes but opposite signs on their facing surfaces. Take the potential of the negative plate to be zero. If the potential halfway between the plates is then +3.0 V, what is the electric field in the region between the plates? (Take directly towards the negative plate to be the positive direction.)
A 3000 pound car crashes into a concrete jersey barrier moving 3 sections (totaling 12,000 pounds) laterally 24 inches. How fast was the car going on impact.
Simple Pendulum with length 1m released from rest from angle of 20 degrees from the vertical and to the left of the equilibrium position. What is the maximum angle (measured from the vertical) of the string when the ball is on the right
Calculate the amount of work (in electron-volts) it would take to move an electron from 11.6 to 13.4 away from a +3.50 point charge.
A phonograph record has an initial angular speed of 36 rev/min. therecord slows to 13 rev/min in 2 seconds. what is the record'saverage angular acceleration during this time interval? answer inunits of rad/s2
The pressure inside a gas bottle at 23.4 °C is 4350 kPa. What will be the pressure inside the bottle
In a large steam engine, a horizontal rod is attached to a flywheel by means of a frictionless pivot 95 cm from the wheel's axis. what is the torque about the wheel's axis
The outside mirror on the passenger side of a car is convex and hasa focal length of -7.6 m. Relative to thismirror, a truck traveling in the rear has an object distance of 16 m.
Lightning As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 550 m to be the other plate. How much charge can the cloud hold before the dielectric strength of the air is e..
A can of sardines is made to move along an x axis from x = 0.46 m to x = 1.20 m by a force with a magnitude given by F = exp(-5x), How much work is done on the can by the force
A .450 kg ice puck, moving east with a speed of 3m/s, has a head-n collision with a .900 kg puck initially at rest. Assume a completely elastic collision, what will be the speed and direction of each object after collision.
if an inductor has a change of current 0.418 A to 0.948 and has an inductance of 1.324, what is the change in energy that the inductor is storing
Suppose a spaceship runs out of fuel near a star. The crew erects a square, white sail 7.06 km on a side, Find the temperature of the star's surface
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