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1-a) Does an electrically neutral particle that has mass interact with an electric field? b) Does a charged particle interact with a gravitational field?
2- Can electrical and gravitational fields exist in the same place at the same time?
3- If you know the electric field E at some location, how can you determine the magnitude and direction of the electric force exerted by that field on an object carrying a charge q and placed at that location?
4- A water droplet carrying a positive charge is released from rest in a uniform horizontal electric field near Earth's surface. The horizontal electric force is comparable in magnitude to the gravitational force exerted by the Earth. Describe the droplet's trajectory.
A piece of copper wire has a resistance per unit length of 5.95 10-3 ?/m. Find the magnetic field strength at the center of the coil
An object is attached to the lower end of a 100-coil spring that is hanging from the ceiling. By how much does each spring stretch
A solenoid is 2.0 m long and with an inner radius of 30 cm and 1000 turns of wire. How large does the current does it carry
Two identical point charges (q = +6.90 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.45m. A test charge (q0 = -3.20 x 10-8 C), with a mass of 5.20 x 10-8 kg, is released from rest at one of the corners of the s..
A series circuit with a 12kΩ resistor, a 12.0 V battery and a capacitor has a time constant of 55 μs. Compute the capacitance of the circuit? Compute the time it takes for the energy stored in the capacitor to be two thirds of its maximum value?
A wave travels along a string at a speed of 295m/s. What will be the speed if the string is replaced with one made of the same material and under the same tension however having twice the radius?
To help prevent frost damage, fruit growers sometimes protect their crop by spraying it with water when overnight temperatures are expected to go below the freezing mark. How much heat is released by the water when it freezes
If 100 grams of water (specific heat of 1.00 cal/gm deg) at 5degrees Celsius is added to 500 grams of a substance with a precise heat of .25 cal/gm deg at 20 degrees Celsius in an insulated container...what is the final temperature of the mixture?
An empty parallel plate capacitor is connected between the terminals of a 10.2-V battery and charges up. what is the new voltage between the plates of the capacitor
A grandfather clock has a weight at the bottom of the pendulum that can be moved up or down. If the clock is running slow, what should you do to adjust the time properly?
a 3.0 resistor an 6.0 resistor and a 9 resistor are connected in series with a 20 v battery. a what is the equivalent
your sister wants to participate in the yearly science fair at her high school and asks you to suggest some exciting
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