Problem on major-league pitcher can throw a ball
A major-league pitcher can throw a ball in excess of 39.6 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches a catcher who is 17.0 m away from the point of release?
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The true weight of "10-pound" sacks of potatoes processed at a certain packaging house follows a normal distribution with mean of 10.1 pounds and standard deviation of 0.2 pounds.
Suppose that each of these electrons strikes a second plate and releases further electrons, independently of each other and each with the same probability distribution as N. Let Z be the total number of electrons emitted from the second plate. Det
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.75 cm apart. An electric force accelerates each electron in the beam from rest to 9.50% of the speed of light over this distance. (a) Determine the kin
Gas entering the turbine has been heated to 1000K. A. What are the temperature at each point in the cycle? B. What is the thermal efficiency for this brayton cycle?
A 5.58 g sample ofaluminum pellets (specific heat capacity = 0.89 J°C-1 g-1) and a 10.00 gsample of iron pellets (specific heat capacity = 0.45 J°C-1g-1) are heated to100.0°C. The mixture of hot iron and aluminum is then dropped into
When 54.6 g calcium and 32.1 g nitrogen gas undergo a reaction that has a yield of 94.0%, what mass of calcium nitride forms?
Steam with a pressure of 15 MPa and a temperature of 400 degrees Celsius undergoes an expansion as it flows through a turbine to a final temperature of 30 degrees Celsius.
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