Answer:
Heating water to produce steam which drives a turbine
Explanation:
Generation of electricity in coal-burning power plants and nuclear power plants both involve heating water to produce steam which drives a turbine.
Take a look at a simple reaction like the one below:
In this reaction some reactant A is turned into some product B. The rate of reaction can be represented by a decrease in concentration of A over time or as the increase of B over time. This is written:
Answer:
h = 4.04 m
Explanation:
Given that,
Mass of a child, m = 25 kg
The speed of the child at the bottom of the swing is 8.9 m/s
We need to find the height in the air is the child is able to swing. Let the height is h. Using the conservation of energy such that,
Put all the values,
So, the child is able to go at a height of 4.04 m.
Answer:
A. Measurements are made with tools; observations are not
Explanation:
Measurement: <em>the assignment of numbers or codes according to prior-set rules. </em>
Observation: <em>data from an individual study subject or sampled unit.</em>
Measurement error: <em>differences between "true" answers and what appears on data collection instruments</em>
hope this helps
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Answer:
Yes... definitely true.. can you tell me what is the question..
Explanation:
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