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A car of mass 1440 kg rests on a hydrauliclift with a piston of radius 0.26 m thatis connected to a second piston of radius 0.031 m. If the car is just barely lifted off theground, what is the force at the second piston?N
Gas is contained in a 9.00-L vessel at a temperature of 25.0°C and a pressure of 5.00 atm. Determine the number of moles of gas in the vessel
a 100g marble (modeled as a solid sphere with radius 2cm) rolls without slipping down a ramp. How tall is the ramp
A certain parallel-plate capacitor is filled with a dielectric for which ? = 5.91. What is the maximum energy that can be stored in the capacitor
A gold prospector finds a solid rock that is composed solely of quartz and gold.The total mass and total volume of the rock are, respectively, 13.0 kg and 3.50 10-3 m3. determine the mass mG of gold in the rock
suppose that you need to get a heavy couch into the bed of a pickup truck. part a figure you know the bed of the truck
A solid metal sphere of radius a= 1.30 cm is surrounded by a concentric spherical metal shell of inner radius b= 2.50 cm and outer radius c= 3.00 cm. What is the surface charge density, sigmac, on the outer surface of the outer spherical conductor
a defibrillator is used during a heart attack to restore the heart to its normal beating pattern. a defibrillator
An isotope of the element Thallium, Tl-206, undergoes beta decay with a half life of 3.1 minutes. what mass of the isotope will be left after 9.3 minutes have elapsed
A certain fuel-efficient hybrid car gets gasoline mileage of 55.0 mpg (miles per gallon). If you are driving this car in Europe and want to compare its mileage with that of other European cars, express this mileage in km/l (liter).
A migrating bird is initially flying south at 10 m/s. To avoid hitting a high-rise building, the bird veers and changes its velocity to 3 m/s east over a period of 2 s. What is the bird's average acceleration (magnitude and direction) during this ..
A 1.20-kg block of wood sits at the edge of a table, 0.782 m above the floor. What horizontal distance does the block cover before hitting the ground
Light from a sodium lamp (lamda=589 nm) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm. What is the spacing (in mm) between the two slits
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