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Equal amounts of heat are added to equal masses of iron andsilver at the same intial temperature.
a. Which metal will have the higher final temperature?b. How many times greater will that temperature change be than the temperature change of the other metal?-------timesgreater
A wheel released from rest is rotating with constant angular acceleration of 2.2 rad/s2. Through what angle has the wheel turned
q1. determine the force of gravity between earth mass 6.0x1024kg and the moon mass 7.4x1022kg. the average earth-moon
Light known to be polarized in the horizontal direction is incident on a polarizing sheet. What angles does the transmission axis of the sheet make with the horizontal
Two converging lenses, each of focal length 14.9 cm, are placed 39.4 cm apart, and an object is placed 30.0 cm in front of the first lens. What is the magnification of the system
A particular refracting telescope takes the moon and magnifies the image by a power of 250x with the observer having a relaxed eye, What are the focal lengths of the two lenses
When a light bulb is connected across the terminals of abattery, the battery delivers 24W of power to the bulb. What is emf of battery
A homemade capacitor is assembled by placing two 7 in pie pans 10 cm apart and connecting them to the opposite terminals of a 9 V battery. Estimate the work done by the battery to charge the plates
A high energy photon is scattered at an angle of ? =180.0° from an electron that is initially at rest. Find the energy of the incident X-ray photon
A small drop of water measuring 0.6 mm in diameter, how many extra electrons are on the drop of water
A certain heat engine does 8.0 kJ of work and dissipates 9.00 kJ of waste heat in a cyclical process. What was the heat input to this engine
A satellite with a mass of 250 kg moves in a circular orbit 7.00 multiply.gif 107 m above the Earth's surface. What is the gravitational force on the satellite
q1. two plane mirrors are separated by 140deg as drawing illustrates. if a ray strikes mirror m1 at the 75deg angle of
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