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Electric Circuits

Determine the additional mass required for stable equilibrium. Meter stick: xcm = 50.0 cm, m = 150.0 g. Hanger clamp: x = +0.0 cm, m = 16.5 g.

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Question #249858

Electric Circuits

Determine the resistance of a busbar made up of copper if the is 10 meters long and the cross section is 4×4 cm2. Use 1.7241 micro ohm -cm as the resistivity

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Question #249665

Electric Circuits

What is the resistance of a copper bus bar 9.15 meter long and 7.62 cm by 1.27

cm in cross section? Use 1.78 μΩ-cm specific resistance for copper.

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Question #249597

Electric Circuits

Charles throws a basketball vertically upward at a speed of 5 m/s. The ball reached the maximum height then drops freely. If Charles fail to catch the ball on its way back down, find the height of the bounce of the ball (assume the coefficient of restitution between the ball and ground be 0.6).

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Question #249566

Electric Circuits

Find the impedance of a series RLC circuit if the inductive reactance, capacitive
reactance and resistance are 184 Ω, 144 Ω and -j30 Ω respectively. Also calculate the
phase angle between voltage and current

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Question #249456

Electric Circuits

two cylindrical conductors connected in parallel, to which a potential difference of V = 170V is applied. The two conductors are made of the same material, but the first is 6 times the length of the second, and 1/5 the radius of the second. The resistance of the second is R₂= 469. Determine the equivalent resistance.

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Question #249420

Electric Circuits

- a charge +Q at a distance 2d from a charge -Q and a point X at a distance d from -Q what is the field strength at X numerically using SI units

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Question #249271

Electric Circuits

Two practically elastic spheres collide. If their velocities before impact have same magnitude and opposite directions and one has a mass 3 times the other, what are their velocities after impact?

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Question #249266

Electric Circuits

Find the input thermal noise voltage of a receiver with a bandwidth of 3.33 kHz, with an input resistance of 42 Ω, and a temperature of 29oC.

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Question #249172

Electric Circuits

Consider the battery charging circuit with V_m= 20 V, R = 10 ohms and V_B= 14 V. Find the peak current assuming an ideal diode. Also, find the percentage of each cycle in which the diode is in on state. Sketch V_s(t) and i(t) to scale against time.

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