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A student uses a magnifying glass to examine the details of a microcircuit in the lab.
a)If the lens has a power of 10 D and a virtual image is formed at the student's near point (25 cm), how far from the circuit is the lens held?
b)What is the angular magnification?
An emf of 12 V is connected to a series RC circuit consisting of a 3.4 × 10^6 ? resistor and a 3.2uF capacitor. The capacitor is initially uncharged. One second after the switch is closed, how much energy is stored in the capacitor?
An electron in a hydrogen atom makes a transition from the n=6 energy state to the ground state (n=1)
A stone with a mass of 0.600kg is attached to one end of a string 0.800m long, Find the maximum speed the stone can attain without breaking the string
a 2000 lbm automobile is driving down a level road at 70 mph. the engine is disengaged and the automobile is allowed to
The figure below shows a thin, uniform bar of length D =1.11 m and mass M =0.82 kg pivoted at the top. The rod, which is originally at rest, is struck by a particle whose mass is m = 0.30 kg at a point x = 0.80d below the pivot.
A uniform 1.6-kg rod that is 0.91 m long is suspended at rest from the ceiling by two springs, one at each end. Find the angle that the rod makes with the horizontal
Two masses of 1 kilogram and 31 kilogram, resting on a frictionless table, are connected by a compressed spring. Determine what is the velocity of the larger mass
A uniform electric field exists in the region between two oppositely charged plane parallel plates. Find the speed of the proton when it strikes the negatively charged plate
An plane and pilot have a total mass of 168 kg. While executing a banked curve of radius 20 m at a speed of 12 m/s
A magician pulls a tablecloth from under a 200 g mug located 30.0 cm from the edge of the cloth. The cloth exerts a friction force of 0.140 N on the mug, and the cloth is pulled with a constant acceleration of 2.90 m/s2. How far does the mug move rel..
A ball is launched straight up with a speed of 25.27 miles per hour. What is the maximum height reached in meters
A ball is thrown straight upward and rises to a maximum height of 13.8 m above its launch point. At what height above its launch point has the speed of the ball decreased to one-half of its initial value
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