a ball rolling down a hill has an acceleration of 4.12m/s/s. What would the change in velocity be if it rolled down the hill at this constant acceleration for 22.2 seconds

Aplane flies directly between two cities, a and b, which are separated by . from a to b, the plane flies into a headwind. on the return trip from b to a, the wind velocity is unchanged. the trip from b to a takes less than the trip from a to b. what is the airspeed of the plane, assuming it is the same in both directions

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

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