Question 1
An object is thrown vertically upward such that it has a speed of 25 m/s when it reaches two thirds of its maximum height above the launch point. Determine this maximum height.
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64 m
◦
48 m
◦
32 m
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96 m
◦
75 m
Question 2
An object moving on the x axis with a constant acceleration increases its x coordinate by 80 m in a time of 5.0 s and has a velocity of +20 m/s at the end of this time. Determine the acceleration of the object during this motion.
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−1.6 m/s2
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+6.4 m/s2
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+1.6 m/s2
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−2.0 m/s2
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−6.4 m/s2