Question

Anybody knows this thanks !

Answer 1

b. 225 J

Step-by-step explanation:

Velocity (v) = 3 m/s

Mass (m) = 50 kg

`K. E. = (1)/(2) m {v}^(2) \\ \\ = (1)/(2) * 50 * {3}^(2) \\ \\ = 25 * 9 \\ \\ = 225 \: j`

Answer 2

225J

Step-by-step explanation:

1/2mvsq=1/2×50×9