What is the kinetic energy of a $2 kg$ body moving at $6 m/s$ ?

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A car moves at a constant $20 m/s$ for $15 s$ . How far does it travel?
What net force gives a $5 kg$ body an acceleration of $3 m/s^{2}$ ?
A stone falls from rest for $2 s$ (take $g = 10 m/s^{2}$ , ignore air resistance). How far has it fallen?
How much work is done lifting a $10 kg$ box by $3 m$ at constant speed ( $g = 10 m/s^{2}$ )?
A force of $500 N$ acts evenly on an area of $0.25 m^{2}$ . What is the pressure?
A ball is thrown straight up at $20 m/s$ ( $g = 10 m/s^{2}$ , no air resistance). What maximum height does it reach?