How much upward force does each support apply on the beam
A long rigid beam of 3.0 m having a mass of 130 kg is supported at each end. An 85 kg student stands 2.0 m from support 1. Determine how much upward force does each support apply on the beam?
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A beam of neutrons having a de Broglie wavelength of 0.250nm diffracts from the crystal of table salt, which consists of an inter-ionic spacing of 0.282nm. i) Determine the speed of the neutrons?
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Determine the recoil velocity which does she acquire in response to a single shot from a stationary position, supposing that no external force keeps her in place?
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