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The eyepiece of a refracting astronomical telescope has a focal length of 8.60 centimeters. The distance between objective and eyepiece is 1.60 meter, and the final image is at infinity. Evaluate the angular magnification of the telescope?
A 110 g copper calorimeter cup contains 190 cm3 of water and 45 g of ice, all in thermal equilibrium. find the mass of water before the hot iron is put into the cup
An accurate clock is kept in a laboratory located on the equator of the Earth, calculate the difference that accumulates between the laboratory clock and each of the two flying clocks upon one trip around the Earth
A certain type of laser emits light that has a frequency of 5.7 1014 Hz. How many wavelengths are there in one pulse
what are the three longest wavelengths for standing sound waves in a 121-cm-long tube that is a open at both ends and b
A marble (radius 1.5 cm and mass 5.0 g) rolls without slipping down a ramp of vertical height 26 cm. What is the speed of the marble
If I eat 500g of something which is 700Bq/kg, with a half life (biological and physical) of 55 days, what is the dose and effective dose on someone who is 70kg.
a horizontal wire that is 4.4 m long is exposed to a uniform external magnetic field of magnitude 79 mt millitesla. the
A 2.0-kg rock initially at rest loses 407 J of potential energy while falling to the ground. Compute the kinetic energy that the rock gains while falling. What is the rock’s speed just before it strikes the ground?
a wire is formed into a circle having a diameter of 15.0 cm and placed in a uniform magnetic field of 2.90 mt. the wire
three capacitors of capacitance 6 6 and 4 microf respectively are connected in series to a 2 v battery. what is the
A lead ball is dropped into a lake from a diving board 5 above the water. After entering the water, it sinks to the bottom with the constant velocity equal to the velocity with which it hit the water. The ball reaches the bottom 3.20 after it is f..
A metal cube of edge 2 cm is drawn into auniform wire of length 2 m. What is the effective resistance of the combination
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