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A circular window of 30 cm diameter in a submarine can withstand a maximum force of 5.20 * 10^5 N. What is the maxumim depth in a lake to which the submarine can go without damaging the window?
The Earth can be approximated as a sphere of uniform density, rotating on its axis once a day. What is the moment of inertia of the Earth
A 5.0-kg object is pulled along a horizontal surface at by a 15 N force acting 20? above the horizontal. How much work is done by the gravitational force
A violin string 15.2 cm long and fixed at both ends oscillates in its n = 3 mode. The speed of waves on the string is 273 m/s, and the speed of sound in air is 348 m/s. What are (a) the frequency and (b) the wavelength of the emitted sound wave?
The angle between the electric field vector and the vector normal to the rectangular plane is 65.0 degrees. Illustrate what is the electric flux through the rectangle?
Two parallel, uniformly charged, infinitely long wires carry opposite charges with a linear charge density ? = 2.15 ?C/m and are 6.69 cm apart. What is the magnitude of the electric field at a point midway between them and 54.3 cm above the plane ..
A dentist's drill starts from rest. After 3.5 seconds ofconstant angular acceleration, it turns at a rate of 2.51x10^4rev/min. Find the drill's angular acceleration
a line of charge with uniform density of 40.0 ncm lies along the line y -15.0 cm between the points with coordinates x
A 575 N woman climbs a staircase that rises at 54 degrees above the horizontal and is 4.10 m long. How much work has gravity done on her as she climbed the stairs
Three springs each hang from a ceiling with a stationary block attached to the lower end. The blocks (with m1> m2 > m3) stretch the springs by equal distances. Each block-spring system is then set into vertical SHM. Rank the masses according to the p..
A spy satellite is in circular orbit around Earth. It makes one revolution in 6.01 hours. How high above Earth's surface is the satellite
A 100 kg box is pulled by a rope in the direction 20 degreesabove the horizontal. The box is moving in horizontal directionwith an acceleration of 0.5m/s^2 and the coefficient of kineticfriction between the box and the horizontal surface is 0.25. Fin..
The work function for cesium, 1.81 eV, is much lower than the work function for other metals. What is the photoelectric cut-off wavelength
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