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Solve the given questions:
Question 1: If a lens has a focal length of 10cm where the object should be located so as to produce a real image that is 20 times larger than the object?
Question 2: For a lens of focal length f, where should the object be located to produce a real image that is the same size as the object itself?
Show how you get the answer, so that I can better understand how to do it.
Let an initial velocity of a flywheel be 20 rad/s and let it be slowing at 4.0 rad/s. How many radians will it pass through before it stops
Assume that all surfaces in the figure are frictionless. What value should have so the masses won't accelerate? Express your answer to two significant figures and include the appropriate units.
An elderly sailor is shipwrecked on a desert island, but manages to save his eyeglasses. What is the magnifying power of the telescope he can construct with these lenses
A cannon is fired from the ground 60 degrees above thehorizontal, then flies over level ground. The muzzle speed is.98km/s. Neglect air resistance, what projectile will travelwhat horizontal distance before striking the ground?
A train moving with a speed of 31.7 m/s sounds a 140 Hz horn. Assume the stationary observer sounds a horn that is identical to the one on the train. What frequency is heard from this horn by a passenger in the train?
Discover the electrostatic potential energy of a cubical configuration of point charges as shown in the figure. Each of the charges is 8.00e and the edge of the cube is 10 cm.
A bowling ball weighing 71.6 is attached to the ceiling by a rope of length 3.71 . The ball is pulled to one side and released, What is the acceleration of the bowling ball
Two parallel metal rods form a plane inclined at 20 degrees to the horizontal. The upper end of the rods are connected together by a resistor of 166ohms, What is the maximum speed of the bar
What is the acceleration of the crate.Describe a procedure to investigate the factors.
A light bulb is connected to a 120 V wall socket. The current in the bulb depends on the time t according to the relation I = (1.414 A) sin[ (125.6 Hz) t ]. What is the frequency of the alternating current
A person with a near-point distance of 37 cm is able to get a usable magnification of 15 with a particular magnifying glass. What is the friend's near-point distance
A roller coaster car rolls down a frictionless track, reaching a speed V0(Velocity original) at the bottom. by what factor must you increase the height of the track
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