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Question1
A movable piston having a mass of 12 kg and a cross-sectional area of 7 cm2 traps 0.25 mol of an ideal gas in a vertical cylinder. The piston slides without friction in the cylinder. The outside of the cylinder is kept at atmospheric pressure, 1.013×105 Pa. What is pressure in the cylinder?
Question2
Objects with masses of 271 kg and 328 kg are separated by .448m. A 56.1 kg mass is placed midway between them. find out the magnitude of the net gravitational force exerted by the two larger masses on the 56.1 kg mass the value of universal gravitational constant is 6.672 x 10^-11
Question3
A space station shaped like a giant wheel has a radius of 100m and, while empty, a moment of inertia of 5.04E+8kgm^2. A crew of 195 are living on the rim, and station's rotation causes crew to experience an acceleration of 1.00g. 0 as 151 people move to the center of the station for a meeting, an angular speed changes. What acceleration is experienced by people remaining at the rim? Imagine that average mass of each inhabitant is 64.8kg.
Describe the operation of a scanning tunneling microscope and explicitly include how it involves barrier tunneling.
A 3 kg box rests on a horizontal surface. An external force 40 N is applied to the box, 30 degrees inclined from top. the box starts its motion from the rest. Find the final speed of the box after it moves 5 meters to the right
A 60.0-kg runner expends 360 W of power while running a marathon. determine the volume of bodily fluid (assume it is water) lost per hour
a jetliner is moving at a speed of 270 km/h. the plan then decelerates at 4.5 m/s2. what is the minimum runway length on which this aircraft can land
A sound wave traveling at 341m/s is emitted by foghorn of a tugboat. An echo is heard 3.30s later.
How far above the aim is the point
Two electrons are located at two of the vertices of an equilateral triangle, one at each vertex. What is the net electric field at the third vertex
A circular coil of wire 8.40cm in diameter has 16.0 turns and carries a current of 2.60A . The coil is in a region where the magnetic field is 0.580 T, What is this maximum torque in part (A)
Your friend's mass is 70 .If she jumps off a 120--high table, how far does Earth move toward her as she falls
A 7.9cm diameter horizontal pipe gradually narrows to 5.3cm . When water flows through this pipe at a certain rate, compute the volume rate of flow
An ?-particle has a charge of +2e and a mass of 6.64 ? 10-27 kg, What is the speed of the ?-particle and What is the radius of its circular path
An automobile tire is rated to last for 40,000 miles. To an order of magnitude, through how many revolutions will it turn?
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