Answer:
J= (kg•m²)/s²
KE=1/2 mv²
14 J= 1/2(17 kg )v²
14 (kg•m²)/s²= 8.5kg•v²
(1/8.5 kg)(14 kg•m²/s²)= 1/8.5 kg•8.5kg•v²
28/17 m²/s² = v²
√28/17 m²/s²=√v²
(2√119)/17 m/s = v
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Answer:
J= (kg•m²)/s²
KE=1/2 mv²
14 J= 1/2(17 kg )v²
14 (kg•m²)/s²= 8.5kg•v²
(1/8.5 kg)(14 kg•m²/s²)= 1/8.5 kg•8.5kg•v²
28/17 m²/s² = v²
√28/17 m²/s²=√v²
(2√119)/17 m/s = v