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A microscope has a 15.0? eyepiece and a 60.0? objective lens 20.0 cm apart.
(a) Calculate the total magnification.
_____________?
(b) Calculate the focal length of the eyepiece.
_____________cm
(c) Calculate the focal length of the objective.
_____________ cm
(d) Where must the object be for a normal relaxed eye to see it in focus.
______________ cm (from the objective)
A 24 rifle bullet travelling 260 buries itself in a 3.10 pendulum hanging on a 2.9 long string, which makes the pendulum swing upward in an arc. Resolve the vertical and horizontal components of the pendulum's displacement.
Two ball shells are nested together ( centers exerting). The smaller balls diameter is R1 and bigger ones R2, Derive capacitance of the system from its definition C=Q/I?VI
A sample of 10.0 mCi decays 1.2% in a single day. What is the activity after 30 days?
Mary runs off a diving board with a velocity of 1.7 m/s in the horizontal direction. If the water surface is 2 meters below the board: A. how long will it take for her to hit the water B. where will she hit the water C. With what velocity will she..
A particle with a charge of q = -5.10 nC is moving in a uniform magnetic field of vec{B}=( -1.24 T ) hat{z}. The magnetic force on particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}.
The 4 block in the figure is attached to a vertical rod by means of two strings. When the system rotates about the axis of the rod, the strings are extended and the tension in the upper string is 77.
What is the angular velocity of the disk. If a single bit requires 5 µm of length along the motion direction, how many bits/second can the writing head write when it is 3.0 cm from the axis? display all work and explanations.
A parallel plate capacitor has plates 2.00 cm by 3.00 the plates are saparated by a 1.00 m thickness of teflon. find the capacitance of this device
Which physical parameter, more than any other, most probably controlled the early evolution of the planetary system and dictated the characteristics of the planets that eventually formed?
At the edge of town, the driver again accelerates. the driver would usually maintain a constant acceleration that is less than the maximum
Calculate the positron and electron beam energy needed to create a Higgs boson (mass 125GeV) in the CMS system
A 70 cm long, 0.8 mm diameter steel guitar string must be tightened to a tension of 2000 N by turning the tuning screws. By how much is the string stretched
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