Category: Physics

Does the amount of solvent change when you dilute a solution? 1. Learn how to dilute and concentrate solutions. Often, a worker will need to change the concentration of a solution by changing the amount of solvent. Dilution is the addition of solvent, which decreases the concentration of the solute in the solution. What is […]

How can I tell if my glass is heat-resistant? If it is a heat-resistant glass, there will generally be a corresponding label on the glass, indicating the temperature and range of use; If you find nominal Pyrex glass at a low price, consider its authenticity. Is all glass heat-resistant? Glass is thermal-shock resistant, meaning it […]

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 […]

How far away can the siren be heard? The physics of sound will reduce the volume of the siren as the distance from the siren increases. With today’s modern vehicles, the effective range of the siren at a 90-degree intersection is often no more than 80 feet. Does pitch change with distance? Sound waves that […]

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 […]

What is the SI unit of specific heat capacity? Specific heat capacity is defined as the amount of heat required to raise the temperature of 1 kilogram of a substance by 1 kelvin (SI unit of specific heat capacity J kg−1 K−1). What is the specific heat capacity of HCl and NaOH? 4.017 J/g°C. What’s […]

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 of the following are characteristics of a generalist species? A generalist species is able to thrive in a wide variety of environmental conditions and can make use of a variety of different resources (for example, a heterotroph with a varied diet). A specialist species can thrive only in a narrow range of environmental conditions […]

What is the maximum number of water skiers that may be towed legally behind a vessel in NH? How many people can be towed behind a vessel at one time? No more than six people may be towed on one or more inflatable tubes and no more than two people may be towed on water […]

Is beach replenishment cheap? Beach nourishment Relatively inexpensive option but requires constant maintenance to replace the beach material as it is washed away. Who pays for beach replenishment? Federally authorized shore protection projects are usually funded with up to 65% federal funds and 35% from the local cost share sponsor. 3 These projects come at […]