MCQ

M3239 · [1]
A cyclist of total mass 80 kg climbs a hill of vertical height 50 m in 5 minutes. What is the order of magnitude of the average useful power output of the cyclist, in watts?
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The wavelength of a laser beam is 6.4 × 10^2 nm. This wavelength is
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The unit of electrical resistance, the ohm, is a derived unit. What is the ohm expressed in SI base units?
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Identify[2]
Identify two fundamental SI quantities. [2]
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