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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?
The toadfish makes use of resonance in a closed tube to produce very loud sounds. Calculate the intensity of the sound wave emitted
As part of a safety investigation, two 1900 kg cars travelling at 19 m/s are crashed into different barriers. Determine the average forces exerted on (1) car that hits a line of water barrels and takes 1.7 s to stop, and (2) car that hits a concre..
1. you are hired by an industry that owns a building with a floor area of 6 m by 10 m and a ceiling height of 4 m. the
The supersonic aircraft Concorde has a length of 63.0 when sitting on the ground on a typical day when the temperature is 16.0. What is the temperature of the Concorde's skin in flight
Consider the circuit in the figure below with resistors R1 = 2,400 ?, R2 = 4,400 ?, and R3 = 1,100 ?, What is the magnitude of the current in the circuit
Calculate the force of gravity on a 69.29-kg mass at the Earth's surface. The mass of the Earth is 6E24 kg, and the its radius is 6.4E6 m. ( 6E24 kg can also be written as 6 X 1024 kg.)
If the magnitude of the electric force between the particles is 110 N, what is the distance between the particles
a particle with a mass of 2.5times10-5 kg and a charge of 3.0 uc is released in a parallel plate uniform horizontal
The ear canal can be viewed as a tube about 2cm long with the eardrum acting as a closed end. What is the resonance frequency of that tube
you take a 100 g uniform meter stick and hang 200 g on the 10 cm mark, where should you clamp the meter stick so that it is in balanace
A long string carries a wave; a 4.00-m segment of the string contains four complete wavelengths and has a mass of 180 g. Determine the power being supplied to the string
It takes 23 hours 56 minutes and 4 seconds for the earth to make one revolution (mean sidereal day). What is the angular speed of the earth
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