Physics, 24.12.2019 01:31 reesewaggoner8
A0.2-kg block is held in place by a force that results in a 0.10-m compression of a spring beneath the block. the spring constant is 1.0 × 102 n/m. assuming the mass of the spring is negligible compared to that of the block
Answers: 3
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What is the kinetic energy of a 10-kg bicycle moving at 10 m/s
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Physics, 22.06.2019 11:20
The ultracentrifuge is an important tool for separating and analyzing proteins. because of the enormous centripetal accelerations, the centrifuge must be carefully balanced, with each sample matched by a sample of identical mass on the opposite side. any difference in the masses of opposing samples creates a net force on the shaft of the rotor, potentially leading to a catastrophic failure of the apparatus. suppose a scientist makes a slight error in sample preparation and one sample has a mass 10 mg larger than the opposing sample. if the samples are 12 cm from the axis of the rotor and the ultracentrifuge spins at 70,000 rpm, what is the magnitude of the net force on the rotor due to the unbalanced samples? ( be thorough on your answer)
Answers: 3
Physics, 22.06.2019 11:20
More solar radiation is absorbed by earth’s surface than by
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A0.2-kg block is held in place by a force that results in a 0.10-m compression of a spring beneath t...
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