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The right-side rearview mirror of Mike's car says that objects in the mirror are closer than they appear. Mike decides to do an experiment to determine the focal length of this mirror. He holds a plane mirror next to the rearview mirror and views an object that is 167 cm away from each mirror. The object appears 3.23 cm wide in the plane mirror, but only 1.78 cm wide in the rearview mirror. What is the focal length of the rearview mirror?
A 1.01kg rolling hoop with a radius of 10.0 cm rolls without slipping. If the linear speed of the hoop is 1.63m/s , find the translational kinetic energy
An automobile having a mass of 1750 kg is placed on a hydraulic lift in a garage. The piston lifting the car is 0.235 m in diameter. What is the force exerted on the small piston
Suppose you want a capacitor bank with a total capacitance of 1.450 F and you possess numerous 2.50 mF capacitors. What is the smallest number you could hook together to achieve your goal
What is the speed of projectile immediately before it hits the ground if air friction does one and a half times as much work on projectile when it is going down as it did when it was going up.
Three equal positive charges Q are each fixed at a corner of an equiliateral triangle of side length a, Draw a free body diagram for the negative charge, Find the magnitudes of the net force on the negative charge
Classical Mechanics: Projectile Motion, A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.80 m/s at an angle of 21.0° below the horizontal. It strikes the ground 3.00 s later.
A certain black body radiates 1200 W at a temperature of 2000 K. how much power does this body radiate at 3000 K
A man pulls a 50.0 kg box at constant speed across the floor. What is the value of the normal force
Find the initial velocity and how long the ball was in the air before it hit the ground
The primary coil of a transformer has 237 turns; secondary coil has 2100 turns. An alternating current is sent through the primary coil. The emf in the primary is 25 V. What is the emf amplitude in secondary.
A dockworker applies a constant horizontal force of 85.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. What is the mass of the block of ice
A 1 cm3 air bubble at a depth of 280 meters and at a temperature of 4 oC rises to the surface of the lake, what is its new volume? How many micromoles (to 1 decimal place) of air are in the bubble
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