A rock is thrown upwards at an angle of 40° with respect to the horizontal. As the rock is rising in its trajectory, the vertical component of its velocity
A) increases.
B) decreases.
C) remains the same.
D) is zero.
E) Cannot be determined without additional information.
B
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Diamond is transparent to the visible spectrum. Gives the index of refraction at 589 nm. Calculate the speed of 589 nm light in diamond.
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The coefficient of friction between a racecar's wheels and the track is 1.0 . The car starts from rest and accelerates at a constant rate for 275 m. Find the maximum speed at the end of the race
a. 52 m/s b. 57 m/s c. 73 m/s d. 86 m/s e. 66 m/s
Define the following terms, as they pertain to website planning: goals, objectives, target audience, and purpose statement.
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A light-year is a unit of _____
A) time B) luminosity C) distance D) mass