What does a machine change to make work easier? Select three options.
the amount of work done
the amount of force applied
the time needed to do the work
o the direction of a force
the distance over which a force is applied
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Ответ:
a = v^2 - u^2 by t
a = 69 - 0 by 4.5
a = 69 by 4.5
a = 15.33
a = 6.85 m/s^2
If the answer in option is near to answer then , you can mark it as correct.
.:. The acceleration is 6.9 m/s^2