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Find the charge left on the capacitor 5 *106 F after disconnecting the battery of 25 V through resistor R = 600 ohms after 1ms.
A 12.5-kg block of ice has a temperature of -18.4 °C. The pressure is one atmosphere. The block absorbs 7.62 x 106J of heat. What is the final temperature in degrees Celsius of the liquid water?
A river flows due east with aspeed of 2.2 m/s. A man steers amotorboat across the river. His velocity relative to the water is3.9 m/s due south. What is his velocity relative to the earth
Imagine a hydraulically operated dentist's chair having a mass of 200.0 kg, and in it is sitting a 54.8-kg patient. The large piston beneath the chair has a diameter of 5.00 cm, whereas the small piston, moved by a pedal on which the dentist steps..
A parallel-plate capacitor in air has a plate separation of 1.50 cmand a plate area of 25.0cm2. The plates arecharged to a potential difference of 2.50x102 V and disconnected from the source. The capacitor is then immersedin distilled water.
Monochromatic light is incident on a diffraction grating and the first maximum is observed at an angle 5.2 degrees. At what angle is the 4th maximum seen
1. Given a string in a standing wave system with a fundamental frequency f1, what would the newfundamental frequency be if you:a. Pulled the string 4 times harder (Tnew = 4told)?
a 6300-kg satellite is in a circular earth orbit that has a radius of 3.0 x 107 m. a net external force must act on the
A uranium atom is ionized seven times, losing seven electrons in the process. what is the strength of the magnetic field
You can launch the proton from the surface of a sphere of with charge Q and radius R, from the center of a ring of charge Q and radius R, or from the center of a disk of charge Q and radius R. Which is the best choice.
What is the young-earth viewpoint on your chosen topic? What is the old-earth secular viewpoint on your chosen topic?
What mass of water at 28.0oC must be allowed to come to thermal equilibrium with a 2.07-kg cube of aluminum initially at 1.50 x 102oC to lower the temperature of the aluminum to 63.9oC? Assume any water turned to steam subsequently recondenses.
A laser beam is traveling through an unknown substance. When it encounters a boundary by air, the angle of reflection is22.0° and the angle of refraction is 41.0°. What is the index of refraction of the substance?
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