Which is an asterism of Pegasus?
a. Great Square
b. Orion
c. Andromeda
d. Scorpio
e. Cassiopeia
a
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Name two space probes to the jovian planets and their destinations
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A puddle of water (n = 1.33) is covered with a very thin layer of oil (n = 1.20). How thick is the oil in the region that strongly reflects light with a wavelength of 497 nm?
a. 207 nm c. 458 nm b. 550 nm d. 229 nm
A 2200-kg auto moving northward at 12.0 m/s runs into a 3800-kg truck which is also moving northward, but at 5.00 m/s. If the vehicles lock bumpers, how fast are they moving just after the collision?
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An object that weighs 75 N is pulled on a horizontal surface by a horizontal pull of 50 N to the right. The friction force on this object is 30 N to the left. What is the acceleration of the object?
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