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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.
A wall of a warehouse of dimensions 8 feet by 20 feet is made of concrete block of R-value 2 and an inside layer of foam insulation of R-value 10. When the outside temperature is 30°F and the inside temperature is 70°F.
an athlete executing a long jump leaves the ground at a 32.5 degree angle and travels 7.67 meters.what was the take off
A hare and a tortoise compete in a race over a straight course 1.00 km long. The tortoise crawls at a speed of 0.200 m/s toward the finish line. For how long in time was the hare stationary
The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.027 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.067 kg and is initially at re..
If the speed of the wave is 10 percent less in the organ than in the medium above, determine the depth of the tumor below the organ's surface.
A step-up transformer has 30 turns on the primary coil and 800 turns on the secondary coil. what input current and voltage are needed
Batteries power much of our modern mobile lifestyle. AA batteries are often rated in units of milliampere hours (mAh). How many Coulombs of charge are contained in a AA battery rated at 1500 mAh
Through 8.67 seconds a motorcyclist changes his velocity from v1, x = -43.9 m/s and v1, y = 14.7 m/s to v2, x =-24.5 m/s and v2, y = 29.7 m/s. Discover the components of the motorcycle\'s average acceleration through this process, aav, x and aav, y.
To find the height of an overhead power line, you throw a ball straight upward. The ball passes the line on the way up after 0.65, What is the height of the power line
two identical conducting spheres fixed in place attract each other with an electrostatic force of 0.155 n when their
A 5 kilogram solid disk has a radius of 0.25 m and rotates at120 revolutions per minute. Evaluate the rotational kinetic energy of the disk in SI units
A novice skier, starting from rest, slides down a frictionless 35 degree incline whose vertical height is 185m. How fast is she going when she reaches the bottom.
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