20 minutes = 20/60 = 0.33 hr
0.7 kw * 0.33 hr = 0.231 kWh = 0.23 kWh
Plz mark as Brill
Answer:
3503.72 seconds
819.96 seconds
Explanation:
=Velocity of river = 0.566 m/s
=Velocity of student = 1.17 m/s
Distance to travel = 1.57 km = 1570 m
So,
Time = Distance / Speed
Time taken by the student to complete the trip is 3503.72 seconds
In still water
The difference in time between moving water and still water is 3503.72-2683.76 = 819.96 seconds
Each dot represents a valence electron. Valence electrons are the electron on the outer electron shell of an atom.<span>
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Answer: Some household items that contain acids include: yogurt, vinegar,lemon juice, citric acid, apples, jelly, pineapples, cranberry sauce, milk, and batteries and In chemistry, pH is a scale used to specify how acidic or basic a water-based solution is. Acidic solutions have a lower pH, while basic solutions have a higher pH. At room temperature, pure water is neither acidic nor basic and has a pH of 7.
