Which of the following statements is a consequence of the equation e = mc2?
a
energy is released when matter is destroyed.
b
mass and energy are equivalent.
c
the law of conservation of energy must be modified to state that mass and energy are conserved in any process.
d
all of the above

The “death throes” of stars are amongst the most complex phenomena in all of astronomy, and the “corpses” of stars amongst the most energetic and exotic objects in existence. beginning at the end of the core helium fusion stage in a star’s life, describe in detail the post-main sequence development of both (a) a 1.0 solar mass star, and (b) a 25.0 solar mass star. in what significant ways do they differ? what role does each of these types of stars play in the "star-gas-star" cycle and the evolution of chemical elements in our galaxy?

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery