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Gas in a cylinder similar to the one shown in the figure moves a piston with area 0.201 m^2 as energy is slowly added to the system. If 2.30 x10^3 J of work is done on the environment and the pressure of the gas in the cylinder remains constant at 1.01x 10^5 Pa, find the displacement of the piston. ?y = ? m
Two speakers emit sound waves with frequency of 418 Hz. They are driven by the same oscillator so that they are in phase with each other. How far apart are the antinodes in that standing wave
A small block of mass 0.97 kg slides without friction on a horizontal table. Initially it moves in a circle of radius R0 = 0.52 m with a speed 1.3 m/s. What is the final speed of the block
three electrons are located at the vertices of an equilateral triangle, one at each vertex. what is the magnitude of the net electrostatic force on each electron
Calculate the resistance per unit length of a nichrome wire, which has a radius of 0.182 mm. The resistivity of nichrome is 1.5 × 10^?6 ? · m
A certain waffle iron is rated at 0.95 kW when connected to a 120-V source. What current does the waffle iron carry
If its length is 49.8 m when measured from inside the spacecraft, what is its length measured by a ground observer
A car is being pulled out of the mud by two forces that are applied by the two ropes. The dashed line in the drawing bisects the 30.0° angle.
A 13.00 g bullet travelling 236 m/s penetrates a 2 kg block of wood and emerges cleanly at 179 m/s. If the block is stationary on a frictionless surface as hit, how fast does it move after the bullet emerges.
A spherical mirror has a focal length of -14 cm. Where is the mirror's image for an object which is at a distance of 30 cm? Draw the ray diagram for this set up
Suppose a 100m diameter stony (p= 3 g/cm^3) meteroid impacts the Earth with a speed of 20km/s. Assume all kinetic energy goes into the creation of an atmospheric blast wave.
At a certain distance from the center of the Earth, a 4.0- object has a weight of 3.0 . If the object is now moved twice as far from the Earth, by what factor does its weight change?
A shopper in a supermarket pushes a cart with a force of 27 N directed at an angle of 25° below the horizontal. Find the work done by the shopper as she moves down a 56 m length aisle
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