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A virtual image is formed 22.0 cm from a concave mirror having a radius of curvature of 30.5 cm.
(a) Find the position of the object.
cm in front of the mirror
(b) What is the magnification of the mirror?
Zinc has a work function of 4.30eV. What is the longest wavelength of light that will release an electron from a zinc surface, What is the maximum possible speed of the electron
A 0.9 inch tall clock is 24 cm in front of a diverging lens which has a focal length of -33.5 cm. Paying attention to sign, answer the following questions. a. What is the image distance? cm b. What is the image's height?
An inductor has an inductance of 0.069 H. The voltage across this inductor is 56 V, What is the current in the inductor
Suppose two parallel-plate capacitors have the same charge q, but the area of capacitor 1 is A and the area of capacitor 2 is 2A. what is the voltage across capacitor 2?
With a 0.100 kg mass at 0.10 m and 0.200 kg mass at 0.95 m suspended on a meter stick, the postion of the support when balance is achieved is 0.620 m. Calculate sum of counterclockwise moments about the end of the meter stick
A 1500 microfarad capacitor and a 5600 microfarad capacitor are connected in parallel across a 12.0 V potential difference. Determine the total energy stored in the capacitors
one solenoid is centered inside another. the outer one has a length of 45.0 cm and contains 6800 coils, what is the EMF induced in the inner solenoid
A person exerts a horizontal force of F = 179N in the test apparatus shown in the drawing. (h = 0.33 m.) Determine the horizontal force M that his flexor muscle exerts on his forearm.
A CD rotating at 1200 rpm starts slowing down at a constant rate such that, after the first two seconds, it has made 10 rotations. Find the time needed for the CD to come to rest
A capacitor with an initial potential difference of 100 V is discharged through a resistor when a switch between them is closed at t = 0. At t = 10.0 s, What is the time constant of the circuit
A point charge -Q is at the center of a spherical conducting shell of inner radius R1 and outer radius R2, What is the charge on the inner surface of the shell
Find out the shear strain that results if a force of magnitude 5.00×105 is applied to the top square face of the plate, parallel to the side, and a force of equal magnitude is applied in the opposite direction to the bottom face of the plate as s..
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