Where will you find a composite volcano?
What will be an ideal response?
In alternating eruptions of lava and ash
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A Type Ia supernova is believed to occur when
a. the core of a massive star collapses. b. hydrogen detonation occurs. c. a white dwarf exceeds the Chandrasekhar limit. d. the cores of massive stars collapse. e. neutrinos in a massive star become degenerate and form a shock wave that explodes the star.
Mean Life: The decay rate of a radioactive sample decreases from 175 kBq to 12.4 kBq in 18.3 s. What is the mean life (time constant) of this sample?
Fill in the blank(s) with the appropriate word(s).
Ernest Rutherford tested Thomson's model by directing a beam of beta particles, at a thin gold foil
Indicate whether the statement is true or false
A rescue plane flying horizontally at spots a survivor in the ocean directly below and releases an emergency kit with a parachute
Because of the shape of the parachute, it experiences insignificant horizontal air resistance. If the kit descends with a constant vertical acceleration of how far away from the survivor will it hit the waves? A) 574 m B) 4.54 km C) 406 m D) 602 m