Answer:
organized
questions
Explanation:
The scientific method is the method that involves a process of finding answers to the questions. The questions are related to the process and functioning of the world. These questions are answered with the help of the researches and experiments. The results from these researches are considered the universal and thus help in further studies and researches. The first step in any scientific research is to identify the question and then proceed to find a solution to it.
Answer:
false
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Explanation:
Answer:
The heat transferred to water equals 1600 kJ
Explanation:
By the conservation of energy we have
All the kinetic energy of the moving vehicle is converted into thermal energy
We know that kinetic energy of a object of mass 'm' moving with a speed of 'v' is given by
![K.E=\frac{1}{2}mv^{2}](https://tex.z-dn.net/?f=K.E%3D%5Cfrac%7B1%7D%7B2%7Dmv%5E%7B2%7D)
Thus
![K.E_{car}=\frac{1}{2}\times 2000\times 40^{2}=1600\times 10^{3}Joules](https://tex.z-dn.net/?f=K.E_%7Bcar%7D%3D%5Cfrac%7B1%7D%7B2%7D%5Ctimes%202000%5Ctimes%2040%5E%7B2%7D%3D1600%5Ctimes%2010%5E%7B3%7DJoules)
Thus the heat transferred to water equals ![1600kJ](https://tex.z-dn.net/?f=1600kJ)
In a vehicle, the thermostat gauge indicates the temperature of the engine's coolant.