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The propeller of a light plane has a length of 2.032 m and a mass of 19.96 kg. The rotational energy of the propeller is 373.7 kJ. What is the frequency of the propeller in rpm? You can treat the propeller as a thin rod rotating through its center.
A 1200N uniform boom at 65 to the horizontal is supported by a cable at an angle of 25. The boom is pivoted at the bottom, find the tension in the supported cable
A pendulum is released from rest extended horizontally. The mass ofthe pendulum is 0.5 kg and the length of the string to the centerof mass is 75 cm. What is the speed of the pendulum bob as itpasses through the vertical. Use the work energy theor..
The system of masses in Figure 3 are connected by thin, light rods (that do not contribute to the angular momentum or rotational kinetic energy). Find the rotational kinetic energy of the system
48 g of ice at -10oC is added to 150 g glass filled with 250 g of water at 20oC. At what temperature will the mixture reach equilibrium
A cylindrical air tank has dimensions diameter = 0.2m and height 0.8m, Calculate the mass of air in the tank (kg) (have to use ideal gas law, molecular weight of air)
A 8.97-cm-long thin glass rod is uniformly charged to +40.5 nC. A small glass bead, charged to +5.3 nC, is 4.92 cm from the center of the rod, What is the force (magnitude) on the bead
question1a space station is constructed in the shape of a wheel 20 in diameter with essentially all of its 5.1times105
show an example of the use of steam tables and mollier charts. use the following information to show how the answer can
A 70 kg bicyclist rides his 7.8 kg bicycle with a speed of 16 m/s. How much work must be done by the brakes to bring the bike and rider to a stop.
a 85-kg sprinter accelerates from rest to a speed of 10.0 m/s in a 5.0 s. calculate the average power the sprinter must generate
a spherical water drop 1.60 ?m in diameter is suspended in calm air owing to a downward-directed atmospheric electric
One point-like charge of -20 nC is placed 3 cm away from a very large planar sheet of charge. Find the locations where the electric field is zero
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