Category: Physics

How do you log physical activity? How to Use a Weekly Physical Activity Log Record your activity goals. Record the type of activity you do and how long you’re active. Record notes on how the activity felt, what you noticed and things you learned while doing the activity. Record any changes you’d like to make […]

What types of energy are released when something burns? When you burn that wood in a fireplace, chemical energy is released and converted into thermal energy (heat) and light energy. What type of energy is produced and wasted? Heat energy is the most easily dissipated form of energy. Light energy is frequently energy seen in […]

Is torque a type of moment? The product of the force and the perpendicular distance to the center of gravity for an unconfined object, or to the pivot for a confined object, is^M called the torque or the moment. A torque is also a vector quantity and produces a rotation in the same way that […]

What is field name? Field names are the names you give to the columns in a table. Field names in the same table must be unique; for instance, you can’t have two columns with the name ObjectID. Field names must also start with a letter and cannot contain spaces or reserved words. What is field […]

What is duct silencer? An HVAC duct silencer is specifically engineered to reduce airborne noise carried along ducts or produced by enclosures. You’ll also find these silencers described as sound attenuators when they are used in industrial settings. Why is my HVAC return so loud? If the usual noise volume increases, or you start to […]

What is Arcsin equal to? arcsin sin30 = 0.5 Means: The sine of 30 degrees is 0.5 arcsin 0.5 = 30 Means: The angle whose sin is 0.5 is 30 degrees. How do you calculate Arcsin? arcsin is defined to be the inverse of sin but restricted to a certain range. Hence arcsin(sin(x))=x if x […]

Are self-driving cars a good idea? Self-driving cars could be of huge benefit to the environment. Part of the reason cars cause so much air pollution is traffic gridlock in highly congested areas. The efficiency of self-driving cars, in addition to the possibility of a future without any gridlock or traffic stops, will cut down […]

How do you distinguish different types of chemical bonds? Chemical bonds include covalent, polar covalent, and ionic bonds. Atoms with relatively similar electronegativities share electrons between them and are connected by covalent bonds. Atoms with large differences in electronegativity transfer electrons to form ions. The ions then are attracted to each other. Do double bonds […]

Why do I cry when I yawn? Our eyes need to stay wet, so these glands produce tears all the time to slowly release onto our eyes. When we yawn, our face muscle contract and put pressure on the tear glands. This causes them to release excess tears. Together, this means that your eyes water […]

Which is the most common type of fingerprint pattern? Loop Does each finger have a different fingerprint? Yes, it is common to have different patterns on the fingers of one hand. The reason is because each finger develops individually. During fetal development, factors across the surface of each finger determine how the ridges will align. […]