What holds the atomic nucleus together? The strong nuclear force. At extremely short range, it is stronger than electrostatic repulsion, and allows protons to stick together in a nucleus even though their charges repel each other. Remember that the size of the nucleus is really small compared to the size of an atom. Who first […]
What are the pros and cons of nonrenewable energy?
What are the pros and cons of nonrenewable energy? 10 Biggest Pros and Cons of Nonrenewable Energy Sources Advantages of Nonrenewable Energy. Less Initial Capital to Install. Consistency. Extraction and Storage. Reliable and Dependable. Disadvantages of Nonrenewable Energy. Unfriendly to the Environment. Nonrenewable. They Are Unsustainable. Prone to Cause Accidents. The Spread of Weaponizable Materials. […]
How many types of sound are there?
How many types of sound are there? two What is sound and its properties? Sound is the transfer of energy from a vibrating object in waves that travel through matter. Properties of sound include speed, loudness, and pitch. The speed of sound varies in different media. The loudness of sound depends on the intensity of […]
What is the principle of step-up transformer?
What is the principle of step-up transformer? Working of step-up transformer is based on the principle of mutual inductance and it converts the alternating low voltage to alternating high voltage. The number of turns in the secondary coil is greater than the number of turns in the primary coil. What happens when you backfeed a […]
How many lumens are in the sun?
How many lumens are in the sun? Direct sunlight has a luminous efficacy of about 93 lumens per watt of radiant flux. Multiplying the figure of 1050 watts per square meter by 93 lumens per watt indicates that bright sunlight provides an illuminance of approximately 98 000 lux (lumens per square meter) on a perpendicular […]
What are the 7 spectral classes of stars?
What are the 7 spectral classes of stars? Stars are classified by their spectra (the elements that they absorb) and their temperature. There are seven main types of stars. In order of decreasing temperature, O, B, A, F, G, K, and M. Which star type lives the longest? The stars with the longest lifetimes are […]
What is the advantages and disadvantages of nanotechnology?
What is the advantages and disadvantages of nanotechnology? Nanotechnology offers the potential for new and faster kinds of computers, more efficient power sources and life-saving medical treatments. Potential disadvantages include economic disruption and possible threats to security, privacy, health and the environment. What are positive effects of nanotechnology? Nanotechnology is helping to considerably improve, even […]
What does Career Exploration mean to you?
What does Career Exploration mean to you? Career Exploration is simply learning about various occupations and their “fit” with your unique career preferences, e.g. the skills, interests and values you want satisfied by your career. Ideally, you engage in career exploration during or after identifying your career preferences through self-assessment. What are the steps in […]
What sport has the highest rate of injury?
What sport has the highest rate of injury? Basketball What sport has the most head injuries? The following sports/recreational activities represent the categories contributing to the highest number of estimated head injuries treated in U.S. hospital emergency rooms in 2018. Cycling: 64,411. Football: 51,892. Baseball and Softball: 24,516. Basketball: 38,898. What high school sport has […]
How do you write regression results?
How do you write regression results? Regression results are often best presented in a table, but if you would like to report the regression in the text of your Results section, you should at least present the unstandardized or standardized slope (beta), whichever is more interpretable given the data, along with the t-test and the […]