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A gas, while expanding under isobaric conditions, does 480 J of work. The pressure of the gas is 160000 Pa, and its initial volume is .0015 m^3. What is the final volume of the gas?
An eyepiece of 2.1- cm focal length and an objective of 0.34- cm focal length are used in a standard microscope. What power should be marked on the eyepiece
Under favourable circumstances the human eye can detect 1.0e-18 J of electromagnetic energy. How many 600-nm photons does this represent.
A string is wrapped around a disk of mass 2.1 kg (its density is not necessarily uniform). what is the speed of the center of mass of the disk
The figure shows three blocks attached by cords that loop over frictionless pulleys. Block B lies on a frictionless table; what is the tension in the cord at the right
You plan to project an inverted image 30.0 cm to the right of an object. You have a diverging lens with focal length -4.00 cm located 5.40 cm to the right of the object. What is the focal length of the second lens
A ball rolls from rest down a roof without slipping. the roof has pitch of 30 degree until there is a flat, horizontal section near the edge of the roof. what was its angular momentum when it left the roof
A 67.00 kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between skis and snow is 0.19. What would be the magnitude of the acceleration.
A siren has a frequency of 750 Hz when it is at rest, whereas it has an apparent frequency of 800 Hz when it is moving toward a stationary observer
character evaluationnbspi am going to write about the movie coal miners daughter the story is about loretta lynn. this
An ideal gas initially at pressure 8.0 atm and temperature 300K expands adiabatically until its volume doubles. Find the final pressure and temperature if the gas is (a) monatomic, and (b) diatomic
Kevin has a mass of 94.0 kg and is skating with in-line skates. He sees his 28.50 kg younger brother up ahead standing on the sidewalk, find Kevin's speed just before he grabbed his brother
The hydraulic turbines in a water-power plant rotate at 60rpm and are rated at 20, 000 hp. The 30 in-diameter shaft between the turbine and the generator is made of steel (G = 12, 000 ksi) and is 20 ft long. Determine (a) The maximum shearing stress ..
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