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1.
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Sketch the curve given by the parametric equations. 
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2.
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A rock is tossed at an initial velocity of 60 m/s at an angle of 10° with
the ground. Write parametric equations to represent the path of the rock.
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3.
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A golf ball is hit with an initial velocity of 155 ft/s at an angle of 23°
with the horizontal. After 1.4 seconds, how far has the golf ball traveled horizontally and
vertically?
a. | 199.7 feet horizontally and 75.2 feet vertically | b. | 60.6 feet
horizontally and 168.4 feet vertically | c. | 199.7 feet horizontally and 53.4 feet
vertically | d. | 60.6 feet horizontally and 174.4 feet vertically |
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4.
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A discus is thrown from a height of 3 feet with an initial velocity of 55 ft/s
at an angle of 44° with the horizontal. How long will it take for the discus to reach the
ground?
a. | 2.5 seconds | c. | 0.8 second | b. | 18.3 seconds | d. | 2.6 seconds |
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5.
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A toy rocket is launched at an initial velocity of 50 ft/s at an angle of
75° with the horizontal. How long will it take for the rocket to travel 15 feet
horizontally?
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6.
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A projectile is fired from ground level with an initial velocity of 35 m/s at an
angle of 35° with the horizontal. How long will it take for the projectile to reach the
ground?
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