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An uncharged capacitor has parallel plates 5.0 cm on a side, spaced 1.4 mm apart.
(a) How much work is required to transfer 7.2 μC from one plate to the other?
(b) How much work is required to transfer a second 7.2 μC?
A wheel rotates with a constant angular acceleration of 3.75 rad/s2. Assume the angular speed of the wheel is 2.20 rad/s at ti = 0. Through what angle does the wheel rotate between t = 0 and t = 2.00 s
A 2.00 m brass rod with a 1.00 mm diameter is used as a spring by stretching the rod. If the tensile modulus of brass is 9.10 1010 N/m2, then the spring constant of the rod is
A long cylindrical conductor of radius R = 3cm carries a uniformly distributed current, I, through its cross section, perpendicular to the plane of the paper. The magnetic field, B, at a distance r = 8 cm from the axis is 35 uT in a clockwise sens..
How far below the top of the well is the surface of the water. If you ignored the travel time for the sound, what would have been the calculated depth.
The Question is how do you find the time when given distance and acceleration.(A car starts from rest accelerates uniformly at a rate 5.78m/s^2 for a distance of 115m.what is the final velocity?) so from that question how do you start and end the..
A baloon 1.2 g when empty has volume 800 cm ^3 and is filled with helium. density of air is 1.29 kg/m^3 while that of helium is .179 kg/m, calculate acceleration of balloon
a rocket-powered hockey puck has a thrust of 2.70 n and a total mass of 2.30 kg. it is released from rest on a
A student at another university repeats the experiment you did in lab. Her target ball is 0.860 m above the floor when it is in the target holder, What is the kinetic energy (in joules) of the target ball just after it is struck
What are the magnitude and direction of the force exerted on a 4.04 µC charge with a 277 N/C electric field that points due east?
Coffee filters behave like small parachutes, with a drag force that is proportional to the velocity squared, Fdrag = Kv2. Find the time for the combined filters to reach the ground
A test tone used on a radio has a frequency of 905 Hz. What is the wavelength of this sound in air at normal room temperature (20 oC)? Record your answer to three decimal places.
A small statue is recovered at an archeological dig. Its mass is measured to be 386 kg and its volume is 0.02 m3. What is the mass density of the statue
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