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An object is placed 45 cm from a concave mirror of radius 92 cm.
(a) Find the location of the image. (Enter in cm. Use a negative number if the image is behind the mirror) cm
(b) What is the magnification of the mirror? Is the image real or virtual? Is the image upright or inverted?
In astronomy it is common to expose a photographic plate to a particular portion of the night sky for quite some time in order to gather plenty of light. For how long should Matt expose a second plate located 4.1 m from the source
On a clear night a laser rotated at an angular velocity of 1 radian s-1 produces a spot of light that is visible on Jupiter, 600 x 106 km distant. How fast does the spot of light move across Jupiter? Does this violate the theory of relativity? Exp..
A 25000 kg rocket ship accelerates upwards by reason of constant 1.25MH of thrust from its engine. A simple pendulum on the ship is observed to complete 100 full swings in 75 seconds. What is the length of string.
q1. a hot-air balloon is rising straight up with a speed of 1.83 ms. a ballast bag is released from rest relative to
The D string of a violin is a little too tightly stretched. Seven beats per second are heard when the string is sounded together with a tuning fork that is oscillating accurately at 293.66 Hz
The side-view mirror of an automobile has a radius of curvature of 20cm. The mirror produces a virtual image one-third the size of the object. How far is the object from mirror.
If you lift the front wheel of a poorly maintained bicycle off the ground, If the moment of inertia of the wheel about its axle is 0.30 , what is the magnitude of the frictional torque
A small galvanometer coil of resistance R = 20 ? and full-scale deflection at 1 mA is connected in series with a 4980 ? resistance to build an analog voltmeter
The deflection plates in an oscilloscope are 10 cm by 2 cm with a gap distance of 1 mm. A 100 volt potential difference is suddenly applied to the initially uncharged plates through a 950 ohm resistor in series with the deflection plates.
A small object is placed to the left of a convex lens and on its optical axis. The object is 30 cm from the lens, which has a focal length of 48 cm. Describe the nature of this new image
A 2 kg ball is thrown straight up in the air. What is the net force acting on the ball when it reaches its maximum height?
Ball 1, with a mass of 110g and traveling at 15m/s, collides head on with ball 2, which has a mass of 300g and is initially at rest, What are the final velocities of each ball if the collision is perfectly elastic
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