Problem: A long jumper leaves the ground at 45 above the horizontal and lands 9.1 v0 away. What is her "takeoff" speed v_0?Will she land on the opposite bank?Now she is out on a hike and comes to the left bank of a river. There is no bridge and the right bank is 10.0 m away horizontally and 2.5 m, vertically below. If she long jumps from the edge of the left bank at 45 with the speed calculated in A, how long, or short, of the opposite bank will she land?

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Problem Details

A long jumper leaves the ground at 45 above the horizontal and lands 9.1 v0 away. What is her "takeoff" speed ?

Will she land on the opposite bank?

Now she is out on a hike and comes to the left bank of a river. There is no bridge and the right bank is 10.0 m away horizontally and 2.5 m, vertically below. If she long jumps from the edge of the left bank at 45 with the speed calculated in A, how long, or short, of the opposite bank will she land?

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Our tutors have indicated that to solve this problem you will need to apply the Projectile Motion: Positive Launch concept. If you need more Projectile Motion: Positive Launch practice, you can also practice Projectile Motion: Positive Launch practice problems.