If a star is over ________ solar masses, its core can collapse to a black hole in a hypernova
A) 1.4 B) 3 C) 8 D) 25 E) 100
D
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The volcano Olympus Mons on Mars is
A) taller than Mt. Everest and as large as the state of Arizona B) smaller than Mt. Everest but as large as North America C) taller than Mt. Everest and but only as large as the Big Island of Hawaii D) about the same height and size as Mt. St. Helens in Washington State, USA
A football is thrown upward at a 30.0° angle to the horizontal. To throw a 40.0-m pass, what must be the initial speed of the ball?
What will be an ideal response?
In which unit would it be best to state the dosage of radiation absorbed, with regard to its effects on humans?
a. Roentgens b. Curies c. Becquerels d. Rems
If two slide projectors are connected in parallel across the same 120 volt source, the current drawn from the source in amperes is
a. 3 b. 6 c. 9 d. 12 e. none of the above