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Two large, parallel, conducting plates are 9.7 cm apart and have charges of equal magnitude and opposite sign on their facing surfaces. An electrostatic force of 5.7 x 10-15 N acts on an electron placed anywhere between the two plates. (Neglect fringing.) (a) Find the electric field (in N/C) at the position of the electron. (b) What is the potential difference in volts between the plates?
Suppose you throw a 0.048-kg ball with a speed of 10.7 m/s and at an angle of 32.1° above the horizontal from a building 11.5 m high. What will be its kinetic energy when it hits the ground
Consider the circuit in the figure below with resistors R1 = 2,400 ?, R2 = 4,400 ?, and R3 = 1,100 ?, What is the magnitude of the current in the circuit
During a drive by golfer, the angular velocity of his club is zero at the top of the backswing and 34 rad/s at the bottom of the downswing just before impact with the ball, what is the average angular acceleration of the club
A massless cylinder 49 cm long rests on a horizontal frictionless table. The cylinder is divided into two equal sections by a membrane, How far will the cylinder move if the membrane is removed
Neal (75 kg), a beginning skier, gets a little too ambitious and loses control on the slope. What is their speed immediately after the collision
Light from an argon laser strikes a diffraction grating that has 5365 grooves per centimeter. The central and first-order principal maxima are separated by 0.488 m on a wall 1.7 m from the grating. Determine the wavelength of the laser light. nm
If i have a hollow copper sphere that has an outer diameter of 20.00 cm that is floating so that everything is just submerged in a bucket of water
A 57-kg water skier is being pulled by a nylon tow rope that is attached to a boat. The unstretched length of the rope is 11 m, What is the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2
In the quark model of fundamental particles, a proton is composed of three quarks: two "up" quarks, each having charge +2e/3, and one "down" quark, having charge -e/3. Suppose that the three quarks are equidistant from one another. Take the distance ..
If 22.0g of the metal gallium melts in your hand, what is the change in entropy of the gallium in this process? What about the change in entropy of your hand
Over a year's time, a person receives a biologically equivalent dose of 21 mrem (millirems) from cosmic rays, What is the person's absorbed dose in rads
What is the highest height reached by the rocket. what is its initial speed as it leaves the ground.
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