A pendulum has how many natural frequencies?
One
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Specific heat capacity of ice = 2,000 J/kg-°C latent heat of fusion of water = 334,000 J/kg specific heat capacity of water = 4,000 J/kg-°C A 1 kg block of ice is removed from a freezer where its temperature was –10°C. The amount of heat absorbed by the ice as it warms to 0°C is __________
Fill in the blank(s) with correct word
Since radiation interacts with matter in individual particle-like impacts called photons, why does light seem continuous to us?
A) Each photon is spread out over a large region of space and these regions overlap each other. B) Because there are so many photons in a light beam and each carries such a small amount of energy. C) Each photon has a very wide range of energies, and these energy ranges overlap each other. D) Because of the way that the photons interact with each other. E) Because there are so few photons in a light beam and because they each carry such a large amount of energy.
The proton storms in the solar wind travel at almost the speed of light
Indicate whether the statement is true or false
The high temperature of the corona is directly responsible for
A) prominences. B) flares. C) the solar wind. D) aurora. E) sunspots.