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1. You have a converging lens of focal length 20 -cm.
For what range of object distances will the image be larger than the object?
For what range of object distances will the image be smaller than the object?
For what range of object distances will the image be upright?
For what range of object distances will the image be inverted?
For what range of object distances will the image be real?
For what range of object distances will the image be virtual?
Two planets are on a collision course, heading directly toward each other at 0.250c. A spaceship sent from one planet approaches the second at 0.750c as seen by the second planet. find the velocity of the ship relative to the first planet
A proton with v = 322 m/s is moving through a region in which the magnetic field is B = 2.2 T, what angle does the protons velocity make with B
A candle is placed 16.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves 7.5 cm farther away from the mirror. Find out the focal length of the convex mirror.
A heavy piece of hanging sculpture is suspended by a 90 cm-long, 5.0 g steel wire. When the wind blows hard, What is the mass of the sculpture
Discover the magnitude of acceleration
Two loudspeakers emit 500Hz notes. One speaker sits on the ground. The other speaker is in the back of a pickup truck, What is the truck's speed
A 15 kg lawn mower is pushed with a constant force of 30.0 N at an angle of 37.0 degrees. What is the acceleration of the lawn mower
Explain by how much time elapses while the auto moves the 180 ft? If the acceleration is constant, how much time elapses while the auto moves the 180 ft.
A Beryllium nucleus consists of 4 protons and 5 neutrons. What is the potenial at one of the corners due to the other 3 charges
assume the roller coaster (h1 = 37 m, h2 = 13 m, h3 = 30) passes point A with a speed of 3.10 m/s. If the average force of friction is equal to one third of its weight, with what speed will it reach point B? The distance traveled is 55.0 m.
A stamp collector uses a lens with 7.5-cm focal length as a simple magnifier. The virtual image is produced at the normal near point (25 cm). What is the expected angular magnification
A wooden raft has a mass of 65 kg. When empty it floats in water (density 1000 kg/m3) with 41percent of its volume submerged. What mass of sand can be put on the raft without it sinking.
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