Final velocity = Initial velocity + acceleration × time = 0 + 12 × 30 = 360 m/s.
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- Total volume = 250 + 750 = 1000 mL.
- Concentration = (87.5 g / 1000 mL) × 100% = 8.75%.
- A rocket accelerates from rest at 12 m/s² for 30 seconds. What is its final velocity and the distance traveled during this time?
- Distance = ½ × acceleration × time² = 0.5 × 12 × (30)² = 0.5 × 12 × 900 = 5,400 m.
- #### 360 m/s, 5400 m
- An electric car battery stores 75 kWh of energy. If the car consumes energy at a rate of 0.25 kWh per kilometer, how far can it travel on a full charge?
