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Problems with solutions

I.D	Level	Problem	Problem Topic
405	High school	Equation of Motion A ranger in a national park is driving at 27.4 mi/hr when a deer jumps into the road 215 ft ahead of the vehicle . After a reaction time of t the ranger applies the brakes to produce an acceleration of -8.96 ft/ s^2 . What . . . continues Click to Purchase Solution	Kinematics
406	High school	The dome of a Van de Graff generator receives a charge of 2.0 x 10 -4C . Find the strength of the electric field (a) Inside the dome; (b) at the surface of the dome , assume it has a radius of 1.0m ; (c) 4.0 m from the center of the dome Hint . Review properties of conductors in electrostatic equilibrium . Al . . . continues Click to Purchase Solution	Electrostatics
407	High school	A 1megabit computer memory chip contains many 60.0 x 10 -15 F Capacitors . Each capacitor has a plate area of 21.0 x 10 – 12m2 . Determine the plate separation of such a capacitor (assume parallel plate configuration ) The diameter of an atom is on the order of 10-10m =1A . Express the plate separation in angstroms . . . . continues Click to Purchase Solution	Electrostatics
408	High school	(a) How much charge is on each plate of a 4.00 micro F capacitor when it is connected to a 12.V battery (b) If this same capacitor is connected to a 1.50V battery . What charge is stored ? . . . continues Click to Purchase Solution	Electrostatics
409	High school	Suppose an electron is released from rest in a uniform electric field whose strength is 5.90 x 10 to the 3rd V/m . (a) Through what potential difference will it have passed after moving 1.00 cm ? (b) How fast will the electron be moving after it has traveled 1.00 cm ? . . . continues Click to Purchase Solution	Electrostatics
410	High school	If a silver wire has a resistance of 10.0 ohms at 20.0 C , what resistance does it have at 40.0 C ? Neglect any change in length or cross-sectional area resulting from the change in temperature ? . . . continues Click to Purchase Solution	Electrostatics
411	High school	At 40.0 C , the resistance of a segment of gold wire is 100.0 ohms . When the wire is placed in a liquid bath , the resistance decreases to 97.0 ohms . What is the temperature of the bath ? Hind : First determine the resistance of the gold wire at room temperature , 20 degree C . . . . continues Click to Purchase Solution	Electrostatics
412	High school	A potential difference of 12V is found to produce a current of 40.0 A in a 3.2-m length of wire with a uniform radius of .40 cm . What is (a) The resistance of the wire ? (b) The resistivity of the wire ? . . . continues Click to Purchase Solution	Electrostatics
413	High school	A 9.0 ohms resistor and 6.0 ohms resistor are connected in a series with a power supply . (a) The voltage drop across the 6.0 ohms resistor is measured to be 12V . Find the voltage output of the power supply (b) The two resistor are connected in parallel across a power supply , and the current through the 9 ohms resistor is . . . continues Click to Purchase Solution	Current & Electricity
414	High school	An uncharged capacitor and a resistor are connected in series to a source of emf. If E = 9.00V, C = 20.0 uF , and R = 100 ohms , find (a) The time constant of the circuit (b) The maximum charge on the capacitor (c) The charge on the capacitor after one time constant . . . continues Click to Purchase Solution	Electrostatics

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A Unit of Tiara Impex