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An object, which has a height of 5.50 cm, is placed 22.0 cm in front of a plane mirror :
a. What will be the position of the resulting image?
b. What will be the height of the resulting image?
c. What will be the magnification of the resulting image?
d. What is the focal length of this mirror? Is the resulting image real or virtual?
a wave pulse travels down a slinky. the mass of the slinky is m 0.93 kg and is initially stretched to a length l 6.2
A girl whirls a stone in a horizontal circle of radius 1 m at a height of 1.5 m above the ground. Find period of revolution
If the rubber of the balloon itself has a mass of 2.00g and the balloon is filled with helium (density 0.166kg/m^3 ), calculate the net upward force (the "lift") that acts on it in air
A point charge with charge Q1 = 3.70 Micro C. is held stationary at the origin. Asecond point charge with chargeQ2 = -4.40 Micro Q. moves from the point( 0.135 m, 0) to the point ( 0.280 m,0.290 m). How much work W is done by the electric forceon the..
If the perceived frequency becomes constant at 440 Hz, what is terminal speed at the paratrooper? Take the speed sound in air to be 343 m/s and assume the paratrooper always remains below the helicopter.
A Step-Up transformer with 60 Hz AC power has an input voltage of 1000 V at a current of 2 Amperes, What is the current flowing out of the transformer
A solid uniform disk of mass M = 8.8 kg and radius R = 21 cm rests with its flat surface on a frictionless table (i.e., the axis of the cylinder is perpendicular to the table.) The diagram shows a top view. A string is wrapped around the rim of th..
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. What is the length of the rotating string
A uniform solid sphere of radius 0.503 m and mass 15.7 kg turns counter clockwise (when viewed from above) about the vertical axis through its center. Find its vector angular momentum when its angular speed is 3.08 rad/s. Wouldn't you use the formula..
A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road, How far has the bicyclist traveled during the entire trip and What is the average speed of the bicyclist for the trip
It is believed that the universe began with a big bang about 17 billion years ago. If the speed of light is 2.99792 × 10^8, what is the maximum possible radius of the observable universe
A steel wire with mass 20.5 g and length 1.29 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. Compute the linear density of the string
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