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A solid brass (bulk modulus 6.7 x 10^10 N/m^2) sphere is subjected to a pressure of 1.0 x 10^5 Pa due to the earth's atmosphere. On Venus the pressure is 9.0 x 10^6 Pa. By what fraction change in radius/ initial radius does the radius sphere change when it is exposed to the Venusian atmosphere? Assume that the change in radius is very small relative to the initial radius.
Air is confined at atmospheric pressure (101.3kPa) in a cylinder whole volume is 0.22 m^3. When 8.0 kcal of heat is added, the volume increases at constant pressure to 0.35m^3. Calculate the increase in internal energy of the air.
A square loop has sides 12 cm long and is wound with 50 turns of wire carrying 250 mA of current. what torque does the loop experience
A student in an undergraduate physics lab is studying Archimede's principle of bouyancy. The student is given a brass cylinder and using a triple beam balance finds the mass to be 1.25 kg
What is the relationship between the change in Kinetic Energy and the change in Gravitational Potential Energy of a system
A 4-kg block lies on a horizontal table whose coefficient of friction is 0.3. A horizontal rope is redirected by a uniform solid disk (pulley) of mass 2 kg to a mass of 12-kg hanging off the table. How many revolutions does the disk of the pulley m..
A particle accelerates uniformly from rest to a speed of 50m/s in 10 sec. It then continues its motion at a constant speed for 4 more seconds. all motion for the particle is horizontal(along the x-axis) a) Determine the instantaneous speed of the par..
Three spheres, each with a negative charge of 4.0 X 10^-6 C, are fixed at the vertices of an equilateral triangle whose sides are 0.20 m long. Compute the magnitude and direction of the net force on each sphere.
If a second plane with the same charge density is placed parallel and a distance d above the first one, what is the electric field between the two planes
You are to drive to an interview in another town, at a distance of 300 km on an expressway. The interview is at 11:15 a.m. You plan to drive at 100 km/h, so you leave at 8:00 a.m. to allow some extra time. You drive at that speed for the first 110..
A tennis player receives a shot with the ball (0.060 0 kg) traveling horizontally at 55.5 m/s and returns the shot with the ball traveling horizontally at 36.0 m/s in the opposite direction. What work does the racquet do on the ball
The drawing shows a coin resting on the bottom of a beaker filled with an unknown liquid. How fast is the light traveling in the liquid
A group of hikers hears an echo 5 s after shouting. If the temperature is 16.0°C, how far away is the mountain that reflected the sound wave.
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