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Look at the circuit below (Note how the current runs).
a) What is the current in the circuit?
b) What is the terminal voltage from a to b?
c) What is the terminal voltage from c to d?
d. What is the voltage from a to d?
e. What is the electric potential (voltage) at point a?
f. Now reverse the 10 V Battery and asnwer a-e again.
A parallel plate capacitor of capacitance 4.9 µF has the space between the plates filled with a slab of glass with ? = 4.0. Find the charge on the plates after the glass is removed
An airplane flies at a constant speed (v) in a horizontal circle of radius (R). calculate the magnitude in Newton's of the centripetal force on the plane
The electron in a hydrogen atom makes a transition from the n = 3 state to the n = 2 state Determine the linear momentum of the photon emitted as a result of this transition. (in kg*m/s)
An objects angular momentum changes by 10 kgm^2/s in 2.0 s. What magnitude average torgue acted on this object
(a) Determine the magnitude and direction of the electric field at the location of charge q. (Use k_e for the Coulomb constant and q and a as necessary.) Magnitude Direction ° (counterclockwise from the horizontal) (b) What is the total electric f..
A child on the merry-go-round is moving with a speed of 1.15 m/s when 1.10 m from the center of the merry-go-round.
Two position vectors lie in a plane. The first, vector rA, points at an angle of 20° below the positive x-axis and has a magnitude of 47.5 m. Find the magnitude and direction
The air-track carts in the figure are sliding to the right at 1.0 m/s. The spring between them has a spring constant of 120 N/m and is compressed 4.5 cm. Compute the speed of the air track carts held by a string together.
Use nodal analysis to solve for all node voltages. Show all working. Show how you apply Kirchhoff's current law. You may use matrices to automate solution of the system of equations.
For a single slit diffraction, first dark fringe appears at an angle 15 degrees from the central maxium. At which angle will the 3rd dark fringe be formed
a 1250 kg car is traveling around a banked curve at a speed of 23.5 m/s. the curve is banked 24 degrees to the horizontal. draw a free body diagram for the car, including all forces acting on it. clearly label and name each force
A skater is initially spinning at a rate of 12.5 rad/s with a rotational inertia of 2.87 kg · m2 when her arms areextended. What is her angular velocity after she pulls her arms inand reduces her rotational inertia to 1.64kg · m2?
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