How Do You Calculate Hickey's Mass from His Skateboarding Speed Change?

AI Thread Summary
To calculate Hickey's mass based on his speed change, the initial speed is 25 m/s and the final speed is 35 m/s, with 21,000 Joules of net work done. The work-energy principle states that the work done is equal to the change in kinetic energy. The kinetic energy formula can be utilized to find mass by rearranging it to solve for mass after determining the change in kinetic energy. The distance is not needed to find mass in this context, as the problem can be solved using the work-energy relationship. Therefore, Hickey's mass can be calculated without needing the distance.
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Homework Statement




Hickey reached a speed of 35 m/s on his skateboard . Suppose it took 21,000 Joules of net work for Hickey to reach this speed from a speed of 25 m/s. Find Hickey's mass

Homework Equations



Work = Force x Distance Cos(theta)

The Attempt at a Solution


From my believe, the velocity initial is 25 m/s and the final velocity is 35 only m/s. The missing variable is the distance to solve the equation. Is it even possible to find the distance given velocity? Is the problem corrupt?
 
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Work done is equal to change in kinetic energy. Work done is given. Use kinetic energy formula and find M.
 
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