Radar to determine the distance to a cloud
A meteorologist for a TV station is using radar to determine the distance to a cloud. He notes that a time of 0.28ms elapses between the sending and the return of a radar pulse.
How far away is the cloud?
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Calculate the energy requirement to heat 100 lb water from 100 F to 90 C in Btu. If an electrical heating element is needed for this heating process.
The initial concentrations of species are 0.10 M A, 0.20 M B, and 0.30 M C, respectively. If the equilibrium constant for the system at this temperature is 36, what will happen as equilibrium is approached?
Given that the capacitance of the pacemaker is 110 µF and that the battery has a voltage of 9.0 V, what value should the resistance have?
A piece of machinery can be bought for $10,000 cash or for $2000 down and annual payments of 750 for 15 years. What is the interest rate for the time payments?
Assuming there is a minimal cooling of the condensate after condesing, how many kilograms of steam per hour must be used to heat the air. What is the heating power required in kW.
When 2.0 g of aspirin was shaken up in a flask containing two immiscible liquids it was found that the mole fractions in the two liquids where 0.11 and 0.18.
A 1.0m length of straight wire carries a current of 21 A in a uniform magnetic field of 60 mT whose direction is at an angle of 39 degrees from the direction of the current. Find the force on the wire.
What is the mass flow rate in kg/s through the turbine? The turbine and electric generator as a combined system operate with an efficiency of 85%.
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