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What force must be applied to a small cylinder piston with a diameter of 0.32 m to lift a car weighing 12,000N that is supported by the piston in a large cylinder that has a diameter of 1.4m? Assume that there is a closed chamber in the common between the two pistons and that the chamber is filled with hydraulic oil.
An object initially displaced 75.25 m (along the horizontal x direction) has in initial velocity downward (along the -y direction) of 57.28 cm/s. Assuming that the object is on Neptune which has an average acceleration of gravity of 11.15 m/s2, deter..
A 700 kg piston is initially held in place by a removable latch above a vertical cylinder. The cylinder has an area of 0.1 m^2; the volume of the gas within the cylinder is initially 0.1 m^3 at a pressure of 10 bar.
A resistance R and a 1.5-H inductance are in series across a 60-Hz ac voltage. What is the ac input voltage
A 2.2×10^4kg rocket has a rocket motor that generates 3.1×10^5N of thrust. What is the rocket's initial upward acceleration
apart, the first being 3 feet from a basket. If the basket and all of the stones are in a straight line, how far does a person travel who starts from the basket
A 120 gram ball on a 75 centimeter long string is swung in a vertical circle above a point 220 above the floor. Evaluate the tension in the string an instant before it broke
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.18 m2 and whose thickness is 2.3 mm. what is the percentage lost by the window
Andrea, of mass 51.7kg, thinks she's sitting at rest in the middle of her 5.08m long dorm room as she does her physics homework. Within what range is her velocity likely to be
A bicyclist climbs a 2.0km long hill that makes an angle of 7.0° with the horizontal. The total weight of the bike and rider is 750N. How much work is done on the bike and rider by gravity?
(a) Calculate the number of gas molecules per cubic centimeter at this pressure. (b) What is the mean free path of the gas molecules if the molecular diameter is 2.12 x 10-8 cm.
John and David are carrying Bob on a uniform horizontal board 8.9 m long which weighs 211 N. find the upward force exerted by both John and David
A disk-shaped merry-go-round of radius 2.73 meters and mass 165 kilogram rotates freely with an angular speed of 0.621 rev/s. Find the final angular speed of the merry-go-round
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