Asked by Chris K
I am so confused on this one.
In 1975, coming out of retirement, the daredevil Evel Knievel successfully jumped over 14 Greyhound buses (a total of 40.5m). To do so, he drives his motorcycle up an incline at a speed of 44.7m/s (about 100mi/hr). What minimum angle should the ramp be in order to clear the buses?
In 1975, coming out of retirement, the daredevil Evel Knievel successfully jumped over 14 Greyhound buses (a total of 40.5m). To do so, he drives his motorcycle up an incline at a speed of 44.7m/s (about 100mi/hr). What minimum angle should the ramp be in order to clear the buses?
Answers
Answered by
Steve
assuming the end of the ramp is at the same height as the tops of the buses, you just need to solve for θ using the range:
v^2/g sin2θ >= 40.5
v^2/g sin2θ >= 40.5
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