a snowborder is on the right edge of halfpipe, the snowborder experiences a tangential acceleration of 5.11 ft/s^2 and a total acceleration of 16.27 ft/s^2. knowing that the halfpipe has a radius of 20 ft, the tangential speed of the snowborder is equal.
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Expert's answer
2017-04-04T15:41:08-0400
Total acceleration a ² = ar ² + at ² ar = √(a ² ‒ at ²) ar = √(( 16.27 ft / s ² ) ² ‒ ( 5.11 ft / s ² ) ²) = 15.45 ft / s 2 Since ar = vt ² / R vt = √(R x ar) vt = √(20 ft x 15.45 ft / s ²) = 17.58 ft / s
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