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Repeat Prob. 2.83 for a left-handed pitcher whose release point is D.
Prob. 2.83
The manager of a baseball team plans to use a radar gun positioned at point A to measure the speed of pitches for a right-handed pitcher. If the person operating the radar gun measures a speed s when the baseball is one-third the distance from the release point at B to the catcher's glove at C, what is the actual speed of the pitch? Assume the pitch follows a straight-line path, and express your answer in terms of s: Note that the value s measured by the radar gun is the rate of change of the distance between point A and the ball.
For the system shown below in the figure, calculate the vertical distance between the surfaces of the two reservoirs when water at 10° C flows from A to B at the rate of .03 m3/s. The elbows are standard. The total length of the 4-inch pipe is 100..
Two well-insulated tanks filled with carbon monoxide (CO) gas are connected by a valve. In tank A, 1 kg of gas is stored at 100 kPa and 300 K. In tank B, 5 kg of gas are stored at 500 kPa and 870 K. The valve is opened, and the contents of the two ta..
Two resistors, R 1 = 100.0 ± 0.2 ? and R2 = 50.0 ± 0.1 ?, are connected (a) in series and (b) in parallel. Calculate the uncertainty in the resistance of the resultant circuits. What is the maximum possible error in each case?
A thin ring of radius R and mass m is suspended from a peg of radius r. Determine the circular frequency of small oscillations about the equilibrium position shown if the ring does not slip on the peg. Assume simple harmonic moti
A company is presently ordering on the basis of an EOQ. The demand is 10,000 units a year, unit cost is $10, ordering cost is $30, and the cost of carrying inventory is 20%. The supplier offers a discount of 3% on orders of 1000 units or more. Wha..
Design a heat sink that will dissipate as much heat as possible - if it is assumed that the base plate is kept at a constant temperature of 380K - Advantages and disadvantages of using CFD as opposed to other methods for this project.
an electric water heater having 0.2 m3 capacity employs an electric heater to warm the water from 22degc to 55degc. the
assume that a person skiing in the mountains at an altitude of 15000 ft takes in the same volume of air with each
in each case locate the state on sketches of the t-v and p-v diagrams.a four kg of water at 100c fill a closed
In general, compared to components prepared using forging, rolling, extrusion, etc., cast products tend to have lower fracture toughness. Explain why this may be the case.
A heat engine operates by receiving 300,000 Btu/hr of heat from steam at a temperature of 750 deg. F. It rejects heat to a lake that is at 65 deg. F. What is the maximum power output that this engine can produce in hp?
The tongs shown are used to grip an object. For an input force of 12 lb on each handle, determine the forces exerted on the object and the forces exerted on the pin at A.
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