How fast is it going when it hits the balloon
A cannonball launched with an initial velocity of 141 m/s at and angle of 30° follows a parabolic path and hits a balloon at the top of its trajectory. Neglecting air resistance, how fast is it going when it hits the balloon?
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Nigeria has about 2,200 miles of railroad, but years of neglect of both the rolling stock and the right-of-way have seriously reduced the capacity to use the system. In part as the result of the failure of the railroad system, many of its 120
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