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1. What is an electric field? Sketch the shape of the electric field around a single proton.
2. If a uniform electric field is pointing east, what is the direction of the force on an electron? What is the direction of force on a positive particle?
3. If electrons are flowing counter clock wise in a circuit, which way is the conventional current flowing?
4. Explain what current, voltage, and resistance are?
5. Describe the differences between circuits with resistors connected in series vs. parallel.
Attachment:- shape of the electric field around a single proton.rar
Two resistors of values 6 and 12 ohms are connected in parallel. This combination in turn is hooked in series with a 4 ohm resistor. Find the overall resistance of this combination
A 75.0 kg bungee jumper, tied to a 39.0 m longcord, leaps off a bridge whose deck is 69.0 m above thewater. He falls to 7.0 m above the water before the bungeecord pulls him back up. What is the magnitude of the impulseexerted on the bungee jumper..
An old LP vinyl record is spun at 33 1/3 rpm and has a diameter of 30cm. What is the magnitude of the velocity of a bug riding in the perimeter of the record ( in SI units)?
A stonewith a mass of 2.40-kg is released from rest and falls toward Earth(near the surface of the Earth). Use the impulse-momentum theorem to compute its momentum after falling for 4.00 seconds
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Estimate the area of the plates needed to achieve a capacitance of 1 F, given the same air gap, What is the electric field between the plates
an automobile with a tangential speed of 15.3 ms follows a circular road that has a raius of 40 meters. the automobile
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Huygens' principle (first described by the Dutch scientist Christiaan Huygens in 1678) uses geometry to determine the shape of a wavefront at a time.
A steel cable with total length 59 m and mass 110 kg is connected to two poles. The tension in the cable is 1,260 N, and the wind makes the cable vibrate with a frequency of 2 Hz. Calculate the wavelength of the resulting wave on the cable
The world record for a high jump from a standing position is 1.90 m. With what speed must a jumper leave the ground to the attain this height
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