Category: Physics

How long does an overused muscle take to heal? For a mild strain, you may be able to return to normal activities within three to six weeks with basic home care. For more severe strains, recovery can take several months. In severe cases, surgical repair and physical therapy may be necessary. What is the longest […]

What is the advantages and disadvantages of renewable energy? Disadvantages of renewable energy resources Energy Resource Advantages Disadvantages Hydroelectric power stations Clean and cheap to run Expensive to set up and output could be affected by drought Solar cells Clean and cheap to run Not always sunny and output does not always outweigh initial cost […]

What are the 2 advantages of using solar cooker? 10 Benefits of Solar Cooking Solar cooking is free. Solar cooking is quick and easy. Food cooked with a solar cooker is healthy. Solar cooked food tastes amazing! Solar cookers make no noise. Cooking with sunshine is kind to the environment. Solar cooking ovens are portable. […]

What is the principle of Electroscope? The working principle of an electroscope is based on the atomic structure of elements, charge induction, the internal structure of metal elements and the idea that like charges repel each other while unlike charges attract each other. What is the working of an Electroscope? ELECTROSCOPE : Electroscope is used […]

What does it mean when the two runners graphs cross? What does it mean when the two runners’ graphs cross? When the two runners graphs cross this means that in the graph above that runner 2 was behind but caught up and ran past runner 1 beating him to the finish line (40 meters). How […]

Is FCC stronger than BCC? FCC and BCC also have many different measurements within the unit cell, as shown in the table below. Additionally, FCC metals tend to be more dense, more stable at high temperatures, and more ductile than BCC metals. This comes from their packing arrangement and slip systems. Why is it called […]

Is water chemical energy? Water, like many substances, contains two kinds of energy. The first kind of energy is called kinetic energy. This is energy that is used during the execution of processes, such as movement. Because of kinetic energy water can flow and waves can exist. What form is energy stored in the human […]

How do you convert a smaller unit to a larger unit? To convert a smaller unit to a larger unit (eg to ), divide it by the number of smaller units which are needed to make. To convert from a larger unit to a smaller one, multiply. To convert from a smaller unit to a […]

What is the Joule equal to? One joule equals the work done (or energy expended) by a force of one newton (N) acting over a distance of one meter (m). One newton equals a force that produces an acceleration of one meter per second (s) per second on a one kilogram (kg) mass. Therefore, one […]

Is the parking brake a separate braking system? A parking brake controls the rear brakes and is a completely separate device from your vehicle’s regular hydraulic brakes. It is in charge of keeping a parked vehicle stationary; it will prevent the car from rolling down a hill or moving. Which wheel does the parking brake […]