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A concave spherical mirror has a radius of curvature 15 cm. A 1 cm tall bulb is placed in front of the mirror such that its image is formed 10 cm in front of the mirror. If you measure distance from the optic center of the mirror,
(A) What is the focal length of the mirror?
(B) What is the position of the object?
(C) What is the magnification of the image?
(D) What is the height of the image?
(E) What is the complementary color of green?
Find the number of neutrinos per cubic meter needed to close the universe if their average mass is 7 eV / c2 and they have negligible kinetic energies.
Rusting of an iron nail is an example of a change of phase, true or false? This seems like a tricky question, because it is a chemical change-but would that be considered a change of phase?
A student uses an audio oscillator of adjustable frequency to measure the depth of a water well. how many antinodes are in the standing wave
Assuming constant acceleration, how many meters did the car travel during that time? (Use 1mph = 0.4469 m/s)
A 1.0 kg mass is connected to a spring with a spring constant of 9.00 N/m. find the maximum spring potential energy of the simple harmonic motion
A train with a maximum speed of 60 mph travels between two stations 10,000 ft apart. It has an acceleration rate of 4.00 ft/s2 and requires a distance of 1500 ft. to stop from 60 mph. Sketch (a) acceleration-time, (b) velocity-time, (c) displacement-..
an electric circular saw is designed to reach its final angular speed starting from rest in 1.40 s. its average angular
Do the numbers given in this quotation make sense? Can you decide how many of the 20 studies agreed on "one conclusion," how many favored another conclusion, and how many did not report significant results?
Sound is detected when a sound wave causes the eardrum to vibrate. Typically, the diameter of the eardrum is about 8.4 mm in humans, What is the power delivered to your eardrum
Determine an average acceleration in coordinates with x-axis
A solid cylindrical disk has a radius of 0.45 meter. It is mounted to an axle that is perpendicular to the circular end of the disk at its center. Evaluate what is the mass of the disk
A nearsighted person wears contacts with a focal length of ? 6.5cm, what is her uncorrected far-point distance
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