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The distance between the eyepiece and the objective lens in a certain compound microscope is 18.4 cm. The focal length of the objective is 0.600cm, and that of the eyepiece is 1.80 cm. discover the overall magnification of the microscope.
A typical laboratory centrifuge rotates at 4000 rpm. Test tubes have to be placed into a centrifuge very carefully because of the very large accelerations. What is the acceleration at the end of a test tube that is 10 cm from the axis of rotation
80 pF capacitor and a 320 pF capacitor are both charged to 2.8 kV. They are then disconnected from the voltage source and are connected together, Find the resulting potential difference across each capacitor
A rabbit trying to escape a fox runs north for 4.0 m, darts northwest for 8.0 m, then drops 1.0 m down a hole into its burrow
during 9.75 seconds a motorcyclist changes his velocity from v1x -30.3 ms and v1y 13.1 ms to v2x -26.1 ms and v2y
The critical angle for the total internal reflection at the liquid air interface is 42.5 degrees. (a) If a ray of light traveling in the liquid has an angle of incidence of 35.0 degrees at the interface, what angle does the refracted ray in the ai..
What is the magnitude of the acceleration of a falling sky diver (mass 62.5kg including parachute) who has opened her parachute
The force on a wire carrying 8.70A is a maximum of 1.25N when placed between the pole faces of a magnet. what is the approximate strength of the magnetic field
Consider the Hydrogen atom with its electron in the 1s ground state. What is the probability of finding the electron between 1.1 a0 and 2.7 a0 distances from the proton
vector a is directed along the positive y-axis and has magnitude 5.0 units. vector b is directed along the negative
A transformer consisting of two coils wrapped around an iron coreis connected to a generator and a resistor, as shown in thedrawing. There are 11 turnsin the primary coil and 22 turns in the secondary coil. The peakvoltage across the resistor is 73.8..
Consider a thin spherical shell with surface charge density σ = σoCosθ and radius R centered about the origin (x=y=z=0). Here σo is a constant.
High-speed stroboscopic photographs show that the head of a 240-g golf club is traveling at 52 m/s just before it strikes a 46-g golf ball at rest on a tee. Find the speed of the golf ball just after impact
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