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In a compound microscope, the focal lengths of the objective andeyepiece are +0.50 cm and +2.0 cm respectively. The instrument isfocused on an object 0.52 cm from the objective lens. Compute the magnifying power of the microscope if the virtual image is viewedby the eye at a distance of 25 cm. (Hint: Find the linearmagnification of the objective, and then multiply that by theangular magnification of the eyepiece.)
An object of mass M= 4.3 kg is suspended from a spring of constantk = 1.42 N/m. What is the displacement of the end of the spring dueto the weight of the mass?
An object of length 3.00 cm is inside a plastic block with index of refraction 1.40. find where is the object relative to its image
A room is 20 ft, 2in. long and 12 ft, 5 in, wide, and the ceiling is 12 ft, 2.5 inches above the floor; what is the volume of the room in cubic feet
a new planet which has ten times the mass of the earth and four times the radius.a what is the acceleration due to
the car drives straight off the edge of a cliff that is 57 m high. the investigator at the scene of the accident notes
question a 100g iron ball specific heat0.473 jgc is heated to 125c and is placed in a calorimeter holding 200g of water
A charge of -3.00 µC is fixed at the center of a compass. Twoadditional charges are fixed on the circle of the compass (radius =0.100 m). The charges on the circleare -3.90 µC at the position duenorth and +5.00 µC at the position due east.
the drawing shows a skateboarder moving at 4.6 ms along a horizontal section of a track that is slanted upward by 48deg
to examine a particular blood sample in biology lab a student uses a compound microscope set to have a magnification of
A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 415-N walk on the overhanging part of the plank before it just ..
the current flowing in a solenoid that is 21.1 cm long and has a radius of 2.20 cm and 528 turns decreases from 3.03 a
Very dangerous voltages can be found inside a TV set. Some adviserepairmen to work with one hand in a pocket. Why is a shock betweenyour two hands more dangerous then between two points on the samearm?
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