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The parallel plates in a capacitor, with a plate area of 5.80 cm2 and an air-filled separation of 4.90 mm, are charged by a 8.10 V battery. They are then disconnected from the battery and pulled apart (without discharge) to a separation of 6.70 mm. Neglecting fringing, find (a) the potential difference (in V) between the plates, (b) the initial stored energy, (c) the final stored energy, and (d) the work required to separate the plates.
Brakes cause a frictional force of 2.5 N to the left to stop a 0.975-kg toy car traveling on a level surface at 3.75 m/s to the right. Calculate how far the car will travel while the brakes are being applied before the car finally stops.
Green light (? = 546 nm) strikes a single slit at normal incidence. What width slit will produce a central maximum
The drill bit of the variable-speed electric drill of radius 0.03 m has constant angular acceleration 2.5 rad/s^2. The initial angular speed of the bit is 4 rad/s. What is the angular speed after 4 seconds and angle has the bit turned through that ti..
A magnifying glass has a focal length of 8cm. How close to an object do you need to place the magnifying glass, What type of image is this and what is its magnification
A simple pendulum consists of a ball connected to one end of a thin brass wire. The period of the pendulum is 2.0000 s. The temperature rises by 152° C, and the length of the wire increases. Determine the period of the heated pendulum.
The K series of the discrete x-ray spectrum of tungsten contains wavelengths of 0.018 5 nm, 0.020 9 nm, Determine the ionization energies of the L, M, and N shells
A projectile is launched from a cannon at ground level at an angle of 62.0 degrees elevation and has a muzzle velocity of 481 m/s. Explain how many seconds after it is fired does it reach max height?
A 5.0-g piece of copper is to be formed into a wire of radius 1.5 mm at a temperature of 40°C. What is the resistance of this wire
Two point charges are placed on the y axis as follows: charge q1= -1.50 nC at y= -.600m, What is the net force (magnitude and DIRECTION) exerted by these two charges on a third charge
Draw a FBD for both sets of washers when you had 5 suspended on each side. Calculate and label the magnitude of all forces
Find the radius of an electron's orbit when it moves perpendicular to a magnetic field of 0.56 with a speed of 6.29×10^5 m/s
The lowest energy possible for a certainparticle in a certain box is 1eV. What are the next two higherenergies the particle can have
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