A student uses a thermometer calibrated in Kelvin units. A temperature change of 20 K is equivalent to a change of how many degrees on the Celsius scale? ________.
Fill in the blank(s) with the appropriate word(s).
20
Physics & Space Science
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Which process is required to allow a gravitationally-collapsing gas cloud to continue to collapse?
A) The cloud must radiate away much of its thermal energy. B) The cloud must trap most of its thermal energy. C) The cloud must collide with other clouds. D) New dust particles must continually be made in the cloud.
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A 95 N force exerted at the end of a 0.50 m long torque wrench gives rise to a torque of What is the angle (assumed to be less than 90°) between the wrench handle and the direction of the applied force?
A) 18° B) 14° C) 22° D) 25°
Physics & Space Science
Air is denser than water, which has implications for underwater divers
What will be an ideal response?
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