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A projectile is launched with an initial speed of 40.0 m/s at an angle of 20.0° above the horizontal. The projectile lands on a hillside 3.00 s later. Neglect air friction.
(a) What is the projectile's velocity at the highest point of its trajectory?
m/s
(b) What is the straight-line distance from where the projectile was launched to where it hits its target? (Note that the hill may slope up or down from the launch point.)
m
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