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# AS Physics Projectile Motion Watch

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1. A stunt motorcyclist rides his motorcycle up a ramp at 5 degrees to the horizontal with a velocity of 39 m/s. How far away can he place a similar ramp to ensure that he lands on the ramp?
2. What have you tried?
3. (Original post by hellomynameisr)
What have you tried?
I've resolved the velocity into horizontal and vertical, vx = 38.85 m/s and vy= 3.400 m/s, and I presume the question wants you to find a range. However I don't know how to work out anything further eg. time of flight, maximum height... Will any of these help me to reach the final answer?
4. Find the time of flight of the bike and then use s= ut (u being the horizontal component of the velocity as it is unaffected by gravity)

Find the initial vertical velocity, and the final vertical velocity (which is just the negative of the initial due to the symmetry of the problem) and use an appropriate suvat equation to find the time of flight.

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Updated: September 30, 2016
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