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A chain consisting of five links, each of mass 0.120 kg, is lifted vertically with a constant acceleration of a = 4.3 m/s2. Consider the force link 3 exerts on link 2. Find the magnitude of this force. What is the magnitude of the force F that must be exerted on the top link to achieve this acceleration?
A small spherical lump of conductor, with a radius R = 0.1m, has a charge of 0.01 C placed on it. Compute the electrostatic potential energy of the system
A rocket rises with constant acceleration to an altitude of 85 km, at which point its speed is 3.1km/s.what is the acceleration in m/s.
Explain the reasons for salient features of the power grid, including the predominant use of alternating current rather than direct current, transmission of power at high voltages(often with bundles of wire rather than single conductors), the use ..
A particle is moving around in a circle and its position is given in polar coordinates as x = Rcos?, and y = Rsin?, derive the equation for centripetal acceleration
question1a 35 kg uniform ladder is leaned against a building. the 5 meter tall ladder makes an angle of 60 degrees with
An LC circuit is built with a 20 mH inductor and an 8.0 microF capacitor. After what time is the capacitor fully charged
You are given a sample of metal and asked to determine its specific heat. You weigh the sample and find that its weight is 25.7N. What is the sample's specific heat
A sealed closed tube length=1.5 m of unknown gas, frequency = 210 Hz. what is the speed of sound in that gas
A rock is dropped into an abandoned mine and a splash is heard 6 s later. determine the depth of the shaft
Consider a cell phone that emits electromagnetic radiation with a frequency of 1.0 GHz and with a power of 70 W. find the electric field amplitude at your ear as you use the phone
When a high-power laser is used in the Earth's atmosphere, the electric field associated with the laser beam can ionize the air, What laser beam intensity will produce such a field
A ball has a diameter of 3.90 cm and average density of 0.0845 g/cm3. What force is required to hold it completely submerged under water
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