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Uploaded: 19.06.2012
Content: 20619111350753.doc (53 kB)


1. A material point performs harmonic oscillations with amplitude A = 4 cm and a period T = 2. If the offset point at the initial time is zero, then the point varies in accordance with equation (SI): 2. If ar and an - tangential and normal components of acceleration, the ratio: ai = 0, an = 0 valid for ...
1) rectilinear uniform motion
3. The body weight of 2 kg is lifted above the Earth. Its potential energy is 400 J. If the surface of the earth potential energy of a body is equal to zero and the forces of air resistance can be neglected, the speed at which it hits the ground, will be .... ideal gas is determined by the values \u200b\u200bof the parameters T0, p0, V0, where T - thermodynamic temperature, p - pressure, V - volume of gas. A certain amount of gas transferred to the state (2p0, V0). Thus its internal energy ...

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