Determine the average net force exerted in the barrel
During a circus performance, a 71.2-kg human cannonball is shot out of a 16.8-m-long cannon. If the human cannonball spends 1.06 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
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A rock is thrown vertically upward from ground level at time t = 0. At t = 1.8 s it passes the top of a tall tower, and 2.0 s later it reaches its maximum height. What is the height of the tower?
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Find appropriate pi groups using common dimensionless terms and determine the functional relationship for the dependent diameter ratio of d/D.
If you run two 45 watt headlights for 2.0 hours using your battery as the energy source, how many grams of lead sulfate will be produced in the battery?
The monthly earnings of a group of business students are normally distributed with a standard deviation of $594. A researcher wishes to estimate the mean monthly earnings of business students. Find the sample size needed to have a confidence level
Find the t-value with n = 30 having area 0.05 to its right.
What must the total molarity of solutes if the sap rises tothe top of the tree by osmotic pressure at 20oC . Assumethat groundwater woutside the tree is pure water and that the density of the sap is 2.0g/ml.
The mark for water has risen 0.6 cm above the liquid-air interface. If the height of original water mark is 13.6 cm, determine the density of the liquid.
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