A 2.0-kg object moving 3.0 m/s strikes a 1.0-kg object initially at rest. Immediately after the collision, the 2.0-kg object has a velocity of 1.5 m/s directed 30° from its initial direction of motion. What is the x component of the velocity of the 1.0-kg object just after the collision?
a. 3.7 m/s
b. 3.4 m/s
c. 1.5 m/s
d. 2.4 m/s
e. 4.1 m/s
b
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Why are lunar eclipses more commonly seen than solar eclipses?
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Light of wavelength 425.0 nm in air falls at normal incidence on an oil film that is 850.0 nm thick. The oil is floating on a water layer 15 cm thick
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Indicate whether the statement is true or false