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In a car lift is used in service station, compressed air exerts a force on a small piston that has a circular cross section and radius of 5cm. This pressure is transmitted by a liquid to a piston that has a radius of 15cm. What force must be compressed air exert to lift a car weighing 13,300 N what air pressure produces this force.
How much energy can be obtained from conversion of 1.0 gram of mass? How much mass could this energy raise to a height of 0.23 km above the Earth's surface?. What is the speed of a proton accelerated by a potential dissimilarity of 112 MV?
Water is supplied to an office building 44.0 m high through a pipe at ground level. Find the pressure in the larger pipe on the ground floor
You whirl a 0.50 kg rock on a string over your head. It takes 1.0 second for the rock to make a complete revolution. The string is 1.5 m long. What is the velocity of the rock, What is the centripetal acceleration of the rock, What is the tension in ..
A 70 turn, 10.0 cm diameter coil rotates at an angular velocity of 8.00 rad/s in a 1.15 T field, At what time is the peak emf first reached
Global positioning satellites (GPS) can be used to determine positions with great accuracy. How many significant figures are needed in the distance
A string with linear mass density 4.3 g/m is stretched and found to carry transverse waves at a speed of 42 m/s. Find the tension in the string.
At 20C and 750 torr pressure, the mean free paths for argon gas(Ar) and nitrogen gas(N) are lambdaAr = 9.9 x 10^-6 cm, What is the mean free path of argon
1. The energy of a 2.00 keV electron is known to within ±3.00%. How accurately can its position be measured?2. The work function of a material is 3.5 eV. If the material is the illuminated with monochromatic light (l = 300 nm)
A steel tube, 24mm OD and 20mm ID is used to create a torque sensor. Four gauges are fitted to the tube in a bridge configuration and the bridge is supplied from a 10V source. What is the output voltage from the bridge if the applied torque is 50Nm..
A satellite of mass 410 kg is launched from a site on the Equator into a circular orbit at 5000 km above Earth's surface. DATA: Rearth=6.38×106 m. a.) What is the acceleration of gravity at this altitude? b.) What is the speed of the satellite? c.) W..
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius 11.0 m. What is her speed as she goes through the dip
At a playground, a 20.2 kilogram child plays on a slide that drops through a height of 2.19 meter. Determine the child speed at the bottom of the slide
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