Category: Physics

What are the key interest groups in relation to the ethical violation? Ethical Violation Paper The Key interest groups in relation to the ethical violation The key interest group in relation to ethical violation is the fact of not following protocol, Racial profiling suspect, Use brutality on suspect, Abused of power on suspect, not following […]

Why COP of heat pump is more than refrigerator? (See thermal efficiency of a heat engine.) Note that the COP of a heat pump depends on its direction. The heat rejected to the hot sink is greater than the heat absorbed from the cold source, so the heating COP is greater by one than the […]

Should I buy a 10 year old hybrid? If you compare a 10 year old usual gas car with a 10 year old hybrid car, the only thing you have to think about is the life span of the hybrid battery. These batteries can collapse, but ten year old IC engines and torque converter transmissions […]

Can a laser pointer cause fire? Whereas, for a laser pointer all of the light from it can reach your eye in one go if you were to stare into a laser beam. This can be dangerous because all of the energy from the laser beam is depositing on your eye in one go. But […]

Which Shield Life is harmful? The ozone layer in the stratosphere shields life on Earth from most UV-B and UV-C, the most harmful varieties of ultraviolet radiation. What is Earth’s atmosphere made of? The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts […]

Why is a sit up a second class lever? Second-Class Levers In a second-class lever, the resistance lies between the fulcrum and the force, as in a wheelbarrow. Exercises that require plantarflexing the ankle, such as seated or standing calf raises, employ a second-class lever. What’s an example of a second class lever? In a […]

Is burning 300 calories a day good? The participants who exercised for 30 minutes a day, burning 300 calories, lost an average of 7 pounds. It doesn’t seem to make mathematical sense, but neither do your hunger habits. Researchers found that participants in the 600-calorie category were eating more in each meal and snack. How […]

Does frequency change power? Frequency of the system will vary as load and generation change. Increasing the mechanical input power to a synchronous generator will not greatly affect the system frequency but will produce more electric power from that unit. Can I use a 60 Hz device in a 50 Hz power frequency? Electrical machines […]

What word is used to refer to a group of organ systems working together? organism What word is used to refer to a group of organ systems working together organism cell tissue organ? The answer is most likely organism. What three organ systems must work together to bring oxygen to the body cells? For example, […]

What percentage of trucks can be expected to travel either less than 30 or more than 65 thousand miles in a year? 8.96 % What proportion of trucks can be expected to travel between 16 and 30 thousand miles in a year? 0.398 What percentage of trucks can be expected to travel either less than […]