week 13-14: thermal physics and energy in thermal process
they do exercises ,exercise benefits strengthens your heart and improves your circulation. The increased blood flow raises the oxygen levels in your body. This helps lower your risk of heart diseases such as high cholesterol, coronary artery disease, and heart attack. Regular exercise can also lower your blood pressure and triglyceride levels.
Philosophy is the result of people's desire to make sense of the world, including the existence and nature of god and how we as social animals should conduct ourselves. All of philosophy is related to human life for that reason. ... All knowledge is relevant to human lives
The movement can be observed outside the bus since you can see the houses or objects pass by. Assuming that the bus is moving froward rather than everything else moving backwards.
The towboat dissipate a power equal to 20 000 Watts. This is computed by first calculating the work which is the product of the applied force and the displacement (wherein you are to convert km to meters) giving you an answer of 18 000 000 Nm. Then divide this to the time, to get the power. Note time must be expressed in seconds. So, you'll end up having this, 18 000 000 Nm divided 900 s = 20 000 Watts.