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Two containers of mass 20 kg and 65 kg respectively are connected with cable over a light and frictionless pulley which is hanging from a fixed ceiling.
Discover the acceleration of the containers and the tension in the cable.
A -42 nC charge is distributed uniformly along the x-axis from x = -1.1 m to x = 2 m . Consider a point at y = 2.2 m on the y-axis. find the total magnitude of the electric field at the point
A 10 g sample of neon gas has 1700J of thermal energy. Estimate the average speed of a neon atom
a 50db sound wave strikes an eardrum whose area is 5.6 x 10-5 m2. how much energy is absorbed by the eardrum per
An electrical conductor designed to carry large currents has a circular cross section with a diameter of d and a length of L. Determine what is the resistivity of the material
q1. a man pushes the lawn mower on a level lawn with a force of 240 n. if 40 percent of this force is directed downward
Meteroids often move at high speeds relative to Earth. If meteroids approach Earth closely enough to hit our atmosphere, find the meteroid's kinetic energy
a 6.40 tall cylinder floats in water with its axis perpendicular to the surface. the length of the cylinder above water
A 0.17 kilogram baseball is launched from the roof of a building 14 meter above the ground. Obtain the speed of the ball as it strikes the ground
A satellite has a mass of 5950 kg and is in a circular orbit 4.60 105 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.15 106 m. What is the true weight of the satellite when it is at rest on the pl..
The power rating of a resistor is 0.800 W. The value of the resistor is 400 O. What is the maximum current it can draw
You are part of a searchand- rescue mission that has been called out to look for a lost explorer. What minimum speed must the rocket have just before impact in order to save the explorer%u2019s life
Zinc has a work function of 4.30 eV. A 4.80 eV photon strikes the surface and an electron is emitted. What is the maximum possible speed of the electron?
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