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The Earth's radius is about 4000 miles. Kampala, the capital of Uganda, and Signapore are both nearly on the Equator. The distance between them is 500 miles. The flight from Kampala to Signapore takes 9.0 hours. What is the plane's angular velovity with respect to the Earth's durface?
An RLC circuit is used in a radio to tune into an FM station broadcasting at f = 99.7 MHz. The resistance in the circuit is R = 12.4 ?, What capacitance should be used
A parallel-plate capacitor having square plates 4.50cm on each side and 8.00mm apart is placed in series with an ac source of angular frequency 620rad/s, What is the resonance angular frequency of this circuit
A "Carnot" refrigerator (reverse of a Carnot engine) absorbs heat from the freezer compartment at a temperature of -17°C, How much work must be done by the refrigerator to change 0.20 kg of water at 24°C into ice at -17°C
When you take a bath, how many kilograms of hot water (51 °C) must you mix with cold water (14°C) so that the temperature of the bath is 36 °C? The total mass of water (hot plus cold) is 192kg. Avoid any heat flow between the water and its externa..
You sled down a hill of 45-m vertical height. The combined mass of you and your sled is 130kg. How much work was doen against friction during your decent
A 12.0V dc battery having no appreciable internal resistance, a 146.5? resistor, an 10.6mH inductor, and an open switch are all connected in series. After the switch is closed, what is the maximum energy stored in the inductor
Four identical charges (+2.2 ?C each) are brought from infinity and fixed to a straight line. Determine the electric potential energy of this group
Loretta made it known just because someone comes from poverty does not mean this is where you have to live your whole life. She was an amazing women and an inspiration to many.
During an adiabatic process, the temperature of 3.62mol of a monatomic ideal gas drops from 460C to 215C a) Find the work done by the gas. b)Find the heat the gas exchanges with its surroundings. c)Find the change in its internal energy.
Starting from rest, a 12-cm-diameter compact disk takes 2.5s to reach its operating angular velocity of 1500rpm. How much torque is applied to the disk
Here on Earth you hang a mass from a vertical spring and start it oscillating with amplitude 1.9 cm. How long does it take for the mass to make one round trip
the light bulb used in a projector has a resistance of 28 ohms when operating on 104 volts. What is the bulbs power consumption
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