There's a formula for that.
KE = (1/2)mv²
... = (1/2)(2000 kg)(30 m/s)²
... = 900,000 kg·m²/s²
... = 900,000 J
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It is helpful to know the relationship between kilograms, meters, seconds, and Newtons or Joules.
1 J = 1 kg·m²/s²
Answer
card number 2
5+7+8+9=24/4=6
Step-by-step explanation:
4. It has exactly 2 parallel sides.
