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1. In the strictest sense, what must be the definition of a point charge? What are the other possible charge distributions?
2. Prove that newtons per coulomb are dimensionally the same as volts per meter.
3. Define surface charge density in terms of volume charge density.
4. Define line charge density in terms of surface charge density.
5. What is a line of force?
An uncharged capacitor has parallel plates 4.6cm on a side, spaced 1.6mm apart. How much work is required to transfer
Trucks with diesel engines have an efficience of about 40%. How much energy is requried to accelerate an 8,000kg truck from rest to 25 m/s
A person decides to use an old pair of eyeglasses to make someoptical instruments. What is the maximum angular magnificationhe can produce in a telescope
The dipole moment of the water molecule (H2O) is 6.17 x 10-30 C.m. Consider a water molecule located at the origin whose dipole moment p points in the +x-direction. What is the direction of the electric force
Heat is extracted from a certain quantity of steam at 100 degrees celsius. Thus the steam changes into ice at 0 degrees celsius. If this energy were used to accelerate the ice from rest, what would be the linear speed of the ice.
A dolphin in 25 degrees C sea water emits a sound directed toward the bottom of the ocean 213 m below. How much time passes before it hears an echo? The speed of sound in sea water is 1530 m/s.
A 500kg pig is standing at the top of a muddy hill on a rainy day. What is the pig's speed at the bttom of the hill
A merry go round has a moment of inertia of 1000 kgm^2. When it is rotating at 2.62 rad/sec, the motor shut off. How large was the friction torque
a 360g block hangs from a spring with k5.19 nm. at t0s the block is 18.4 cm below the equilibrium position and moving
A 1400kg weather rocket accelerates upward at 10m/s^ 2 . It explodes 2.5s after liftoff and breaks into two fragments, What was the direction of the heavier fragment
a 1.0-cm-tall object is 20cm in front of a converging lens that has a 10cm focal length. use ray tracing to find the
gas is confined in a tank at a pressure of 1.19e6 pa and a temperature of 14.2degc. if half of the gas is withdrawn and
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