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A container has a pressure of 4 atmospheres and is at the temperature of 200 degrees celsius. The container contains 36 grams of nitrogen. What is the average speed of the nitrogen molecules? what is the average distance between molecules (assume container is a cube)
A 10 resistor, 10 mH inductor, and a 110.0 µF capacitor are connected in series to a 50.0 V (rms) source having variable frequency. Find out the energy delivered to the circuit during one period if the operating frequency is twice the resonance fr..
One liter of water is 41C is used to make iced tea. How much ice at 0 C must be added to lower the temperature of the tea to 17C? The specific heat of water is 1 cal/g C and latent heat of ice is 79.7 cal/g. Reply in units of g.
Determine the maximum load in terms of theta_min and other quanitites given in the problem introduction.
Evaluate the magnitude of the acceleration of each mass. What percentage of error in would be made if the moment of inertia of the pulley were ignored? Ignore friction in the pulley bearings.
The scale of a spring balance reading from 0 to 230 N has a length of 15.0cm. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.40 Hz. What is the mass of the fish ignoring the mass of the spring.
A cat, also of weight 47.8 {rm N}, falls asleep on top of block A. If block B is now set into downward motion, what is its acceleration magnitude.
Find out the overall change in internal energy between the initial and final states per unit mass of water.
A 67 kg person sits on a 3.5kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.8 cm in diam. Determine the pressure exerted on the floor by each leg of the chair; Assume the weight is evenly distributed.
Both car A and car B leave school at the same time, traveling in the same direction. Car A travels at a constant speed of 71 km/h while car B travels at a constant speed of 90 km/h. how faris car A from school 2.2 h later.
When she tightens the string slightly, she hears 6 beats/s. What is the frequency of string now.
From what height will you have to drop the rock on Earth so that the fall-time on both planets is the same.
Two loudspeakers are placed at either end of a gymnasium, both pointing towards each other. The sound emitted by the speakers is in phase and are of frequency of 256 Hz.
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