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A geodesic dome constructed with an aluminum framework is a nearlyperfect hemisphere; its diameter measures 56.0 {\rm m} on a winter day at a temperature of -10{\rm ^\circ C}.
How much more interior space does the dome have in the summer, when the temperature is 35{\rm ^\circ C}?
a hydraulic press consists of two vertical cylinders of circular cross-sectional areas 6cm2 and 120cm2 that are joined
Physics: Find the shear stress on the rod and vertical deflection at the end of the rod, A horizontal aluminum rod 4.2 cm in diameter projects 7.6 cm from a wall. A 1400 kg object is suspended from the end of the rod
Stuart the student iscleaning out his desk after finals. He opens the hinged lid onhis trash can by exerting a force that makes an angle of80o with horizontal. Find the magnitude of Stuart's force on the lid
One end of a cord is fixed and a small 0.390-kg object is attached to the other end, obtain the tangential and radial components of acceleration
A laboratory technician drops a 0.0770-kg sample of unknown material, at a temperature of 100.0°C, into a calorimeter. The calorimeter can, initially at 23.0°C, is made of 0.150 kg of copper and contains 0.200 kg of water. The final temperature of th..
When tightening a bolt, you push perpendicularly on a wrench with a force of 161 N at a distance of 0.120 m from the center of the bolt. How much torque are you exerting
A 10.2-g bullet is fired into a stationary block of wood having mass m = 4.92 kg. The bullet imbeds into the block. What was the original speed of the bullet
at the instant the traffic light turns green an automobile starts with a constant acceleration a of 2.2 ms2. at the
The sound level in decibels is typically expressed as ? = 10 log (I/I0), but since sound is a pressure wave, the sound level can be expressed in terms of a pressure difference. Intensity depends on the amplitude squared, so the expression is ? = 2..
Light with a photon energy of 4.5 eV impinges on the surface of a material with work function 0.4 eV to eject electrons
A pilot flies horizontally at 630 km/h, at height h = 48 m above initially level ground. However, at time t = 0, at what time t does the plane strike the ground
A string with a mass per length of 2.00 gm/m is stretched with a force of 120 N between two points that are 0.40 m apart. What is the length of the organ pipe
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