Low mass stars should produce white dwarfs, while high mass stars will produce more compact end products
Indicate whether the statement is true or false
TRUE
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Current observations indicate that the amount of baryonic matter and dark matter in the Universe
a. is sufficient great enough to overcome the expansion of the Universe. b. implies that the Universe is closed. c. is mostly in the form of black holes and quasars. d. are roughly equal. e. implies that the Universe is open.
Banked Curves: Two cars go around a banked curve at the proper speed for the banking angle. One car has tires with excellent traction, while the other car has bald slippery tires. Which of these cars is more likely to slide on the pavement as it goes around the curve?
A. the car with the new tires B. the car with the bald tires C. Neither car will slide. D. It depends on if the pavement is wet or dry.
A meniscus lens is made with the radius of curvature of the convex surface being 45.0 cm and the concave surface 25.0 cm. If the glass used has index of refraction 1.50, what is the focal length of this lens?
A) 32 cm B) 113 cm C) 25.0 cm D) -32 cm E) -113 cm
Suppose in a dying star, a reaction takes place under extreme pressure and temperature. This reaction is hypothetically as follows: