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1: A transformer has 100 loops in its secondary winding and is designed to accept an input AC potential difference of 830 V and produce an output of 470 V. How many loops does the transformer's primary winding contain?
2. What is the binding energy for a nucleus of helium-4, also known as an alpha particle? A neutron has a mass of 1.00866 u, a proton has a mass of 1.00728 u, and an alpha particle has a mass of 4.00153 u, where u = 1.66054 x 10-27 kg. Express the energy in joules to three significant figures.
An aluminum rod and a copper rod of equal diameter are joined end to end in good thermal contact. Determine what must be the length of the aluminum rod
A cylinder with a height of 1.30 and an inside diameter of 0.110 is used to hold propane gas (molar mass 44.1 ) for use in a barbecue. It is initially filled with gas until the gauge pressure reads 1.80×106 and the temperature is 22.0. The temperatur..
the central order for a diffraction pattern from a rectangular aperture is measured to be 15 mm high and 5 mm wide on a
A rifle bullet is fired horizontally off the top of an ocean-based drill site. If the air resistance is negligible and the vertical distance to the water is 35 m, what additional information is needed to determine the time required for the bullet ..
a charge q is uniformly spread over one surface of a very large nonconducting square elastic sheet having sides of
What is the minimum coeffecient of static friction mu_min required between the ladder and the ground so that the ladder does not slip? Express μmin in terms of m_1, m_2, d, L, and theta.
how does the count rate vary with distance from a point source? if the counter is moved twice the distance from the source, how is the count rate affected
q1. an airplane is flying with the velocity of 85.0 ms at an angle of 20.0 degrees above the horizontal. when the plane
A roller coaster car of mass 310 kg (including passengers) travels around a horizontal curve of radius 35 m. Its speed is 17 m/s. What is the magnitude and direction of the total force exerted on the car by the track? magnintude N direction ° above t..
A transformer is to be used to provide power for a computerdisk drive that needs 6.0 V (rms) instead of the 120 V (rms) fromthe wall outlet. Find the current in the secondary
A 5.4 m-long rod of (constant diameter 4.6 mm) is made of 2.0 m of copper and the remainder of aluminum, What is the temperature at the interface between the copper and aluminum
What is tension in each string
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