The energy released when a star explodes in a supernova can be more than the nuclear fusion energy produced by the same star throughout its entire lifetime.
Answer the following statement true (T) or false (F)
True
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All stars ignite helium fusion as part of the aging process
a. True b. False Indicate whether the statement is true or false
A sphere of surface area 1.25 m2 and emissivity 1.0 is at a temperature of 100°C. At what rate does it radiate heat into empty space? (? = 5.67 × 10-8 W/m2 ? K4)
A) 7.1 W B) 0.71 mW C) 1.4 kW D) 9.9 mW E) 3.7 W
Water is flowing through a pipe whose cross sectional area at point A is larger than the cross sectional area at point B. The reading on a pressure gauge connected to the pipe at point A will be __________ the reading on a pressure gauge connected to the pipe at point B
Fill in the blank(s) with correct word
Which of the following is an example of antimatter?
A) neutron B) positron C) neutrino D) muon E) electron