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A cylinder of cross-sectional area 11 cm2 is fitted with a piston, which is connected to a spring with a spring constant of 1250 N/m, as shown in the figure. The cylinder is filled with 0.0050 mole of a gas. At room temperature (23 °C), the spring is neither compressed nor stretched. How far is the spring compressed if the temperature of the gas is raised to 135 °C? (Assume the pressure in the volume containing the spring stays constant at atmospheric pressure.)
You roll a ball along the floor for your dog to chase after and catch it. You roll the ball with an initial speed of 15 m/s, how far does the ball go before your dog catches it
A string is fixed at both ends and is vibrating at 119 Hz, which is its third harmonic frequency. Determine the length of the string
An electron is accelerated from rest by a potential difference of 440 V. It then enters a uniform magnetic field of magnitude 220 mT with its velocity perpendicular to the field. Calculate the radius of its path in the magnetic field
An ideal transformer steps down 120 volts and the 2630 turn secondary supplies 12 amperes. what is the ratio of output power to input power
Tarzan, in one tree, sights Jane in another tree. He grabs the end of a vine with length 21m that makes an angle of 50? with the vertical, Calculate Tarzan's speed just before he reaches Jane
A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. When switched off, obtain the constant angular acceleration of the centrifuge
A uniform electric field of magnitude 271 V/m is directed in the negative x direction. A +12.7 ?C charge moves from the origin to the point (x, y) = (15.5cm, 46.0 cm). What was the change in the potential energy of this charge?
An airplane needs to reach a velocity of 487 km/h to take off. On a 2000 m runway, what is the least acceleration necessary for the plane to take flight.
A 5.8kg box is on a frictionless 40%u2218 slope and is connected via a massless string over a massless, What is the tension in the string once the box begins to move
The figure below shows a mercury barometer. Consider two barometers, one using mercury and another using an unknown liquid. estimate the density of the unknown liquid
In a slide or movie projector, the film acts as the object whose image is projected on a screen. how wide will the picture be on the screen
A two-slit pattern is viewed on a screen 1.12 m from the slits. what is the total width of the central bright fringe
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