Two pole-vaulters just clear the bar at the same height. The first lands at a speed of 7.80 m/s, while the second lands at a speed of 8.05 m/s. The first vaulter clears the bar at a speed of 2.00 m/s. Ignore air resistance and friction and determine the speed at which the second vaulter clears the bar. Two pole-vaulters just clear the bar at the same height. The first lands at a speed of 7.80 m/s, while the second lands at a speed of 8.05 m/s. The first vaulter clears the bar at a speed of 2.00 m/s. Ignore air resistance and friction and determine the speed at which the second vaulter clears t

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