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Assume a spacecraft of mass 28,000 kg is accelerated to 0.43c.
a) How much kinetic energy would it have?
b) If you utilized the classical formula for kinetic energy, by what percentage would you be in error?
A spring has a spring constant = 40 N/m. It is compressed by a distance 10 cm. The mass of the cart is 300 grams. The angle of incline of the track is 20º.
In a refrigerator the working fluid remains a gas throughout the cycle. Its working may be described in a greatly simplified form as a sequence of four steps as follows: 1 The fluid passes through the refrigerated compartment, where its temperatur..
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In the bohr model, the electron is imagined to move in a circular orbit about a staionary proton. what would be the corresponding orbital radius
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