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A cylinder, semicircular in cross-section, 10.0 m long and 5.00 m in radius is completely submerged in water. What is the buoyant force on the cylinder?
A walkway suspended across a hotel lobby is supported at numerous points along its edges by a vertical cable above each point and a vertical column underneath. how much does the point move down in meters
an 1800 kg car is moving at 14 m/s slows to 8.0 m/s in 4.4 s. Use the impulse momentum theorem to find the magnitude of the force on the car
A 1500 ft2 wall has an R-value of 11.0 hr.oF.ft2/Btu, including the effects of the interior and exterior air layers. How many Btus are lost through this wall
A 0.6-kg ball is fastened to a spring with a spring constant of 86 N/m and is oscillating horizontally with an amplitude of 0.2 m. What is the maximum potential energy
Some bacteria are propelled by motors that spin hair-like flagella. How long does it take the motor to make one revolution
A meteoroid is speeding throughout the atmosphere, travelling east at 16.80 km/s while descending at 13.60 km/s. What is its speed in km/s.
Use the natural and dual basis vectors to determine the metric tensors g i j and gi j , and the line element, for the coordinate system introduced in Example 2.2. Verify explicitly that the matrices g i j and gi j found for this problem are inverses ..
1 explain why an object too far from the motion detector will produce an incorrect distance reading?2 look up an
A 2kg box slides along a frictionless surface with a speed of 15m/s and approaches a horizontal spring with a spring constant of 2000N/m. If one end is fixed, How far will the spring compress in stopping the box
Calculate the period of a ball tied to a string of length 0.3 m making 6.9 revolutions every second. Answer in units of s, Calculate the speed of the ball
q. a 2500-kg sport utility vehicle travelling at 92 kmh can be stopped in 0.25 s if it hits a concrete wall. assume a
A 10.0 cm radius piston compresses a gas isothermally from a height of 15.0 cm to 2.50 cm at a constant pressure of 2.0 atm. How much heat was added to the gas
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