Physics
16.07.2022 07:17
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When baking soda and vineager react, the surface bubbles. what does this most likely

When baking soda and vineager react, the surface bubbles. what does this most likely indicate?
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ROYALDRAGONX
ROYALDRAGONX
4,9(59 marks)
A chemical change because a gas is being formed
abby1919
abby1919
4,6(77 marks)

2.45 × 10³ km/h

1.52 × 10³ mi/h

Explanation:

The speed of sound in air is 340 m/s. If the speed of a supersonic plane is twice the speed of sound, its speed is 2 × 340 m/s = 680 m/s

1 hour is equal to 3,600 s. The speed expressed in m/h is:

680 m/s × (3,600 s/ 1 h) = 2.45 × 10⁶ m/h

1 kilometer is equal to 1,000 meters. The speed expressed in km/h is:

2.45 × 10⁶ m/h × (1 km/ 1,000 m) = 2.45 × 10³ km/h

1 mile is equal to 1.609 kilometers. the speed expressed in mi/h is:

2.45 × 10³ km/h × (1 mi/ 1.609 km) = 1.52 × 10³ mi/h

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