Terminal speed of an air bubble of the same radius
An aluminium sphere with a specific gravity of 2.7 falls through water and reaches a terminal speed of 7 m/s. What is the terminal speed of an air bubble of the same radius rising through the water? The temperature is 20 degrees C.
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Once it stops at this more heat is added until it is 300kPa. Ambient temp is 300k. Find the heat transferred and work done from initial state until the piston touches the spring.
A cannonball is fired from the ground at the angle of 60 degree with an initial velocity of 200m/s/ what is thee maximum height reached by the cannonball?how far will the cannonball travel retunning to the ground.
If this is accomplised using a series of He-Ne lasers with wavelength=633 nm. What is the speed of the spaceship after one year?
Mary needs to row her boat across a 104-m-wide river that is flowing to the east at a speed of 2.65 m/s. Mary can row with a speed of 1.53 m/s. If Mary rows straight north, where will she land of the point that is straight across the river?
The probability that a car is red and has a white interior is 0.3. The probability that it is red is 0.7. The probability that a car is either red or has a white interior is 0.8. What is the probability that it has a white interior?
The heat added in the combustion process is 400 But/lbm. Find: Using variable specific heat method The highest temperature in the cycle The mass flow rate of the air.
Listed below is the amount of commissions earned last month for a sample of eight members of the sales staff at Best Electronics. Calculate the coefficient of skewness using both methods. Hint: Use of a spreadsheet will expedite the calculations.
On a day when the temperature is 20°C, a concrete walk is poured in such a way that its ends are unable to move. (a) What is the stress in the cement when its temperature is 50°C on a hot, sunny day?
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