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Question 1: Aluminum has a resistivity of 2.7*10-8 Ωm. What would be the resistance of 100 m of aluminum wire with a cross-sectional area of 2*10-4 m2?
Question 2: A 10 ohm resistor and a 20 ohm resistor are connected in parallel. What is the equivalent resistance of this setup?
Question 3: A 4 ohm resistor and 10 ohm resistor are connected in series. If this circuit is connected to a 12 V battery, how much current will flow through the circuit?
Question 4: A 30 ohm resistor is connected to a 1.5 V battery. How much power is dissipated by the resistor?
Question 5: Two point charges, each 6*10-5 C, are separated by 30 cm. What is the electrostatic force produced by this arrangement?
To fit a contact lens to a patient's eye, a keratometer can be used to measure the curvature of the cornea-the front surface of the eye. Determine the radius of curvature of the cornea
Find out the frequency of the fourth harmonic if the string is fixed at one end and free at other. (That is, if the free end is attached to a long string of negligible mass.)
A plastic straw 20.0 cm long and 3.00 mm in diameter is filled with honey. Suppose that when you blow on one end of the straw, the pressure difference between the two ends of the straw is 0.05 atm. What mass of honey flows out of the straw
A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 4.4. find the resulting angular speed of the student and the stool
Keilah, in reference frame S, measures two events to be simultaneous. Event A occurs at the point (53.0 m, 0, 0) at the instant 9:00:00 Universal time on January 15, 2010. find What time interval elapsed between the events
A girl is skipping stones across a lake. One of the stonesaccidentally ricochets off a toy boat that is initially at rest inthe water, What is the mass of the boat
A soap film with different thicknesses at different places has an unknown refractive index n and air on both sides. Find the ratio tmagenta/tyellow
A ball is thrown vertically upward with a speed of 15.0 m/s. (a) How high does it rise? m (b) How long does it take to reach its highest point? s (c) How long does the ball take to hit the ground after it reaches its highest point? s (d) What is i..
The temperature of an ideal gas in a sealed 0.1 m3 container is reduced from 410 K to 270 K. Find the work done by the gas
An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. What is the pressure in the narrow section of the pipe
Compute the work done by an external agent during an isothermal compression of 1 mol of oxygen from a volume of 22.4 L at 0oC and 1.00 atm to a volume of 16.8 L
a ball is shot from the top of a building with an initial velocity of 19ms at an angle 0 41 above the horizontal. what
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