Category: Physics

Does animal extinction affect humans? Scientists have also discovered links between the incidence of West Nile virus and hantavirus and local reductions in biodiversity. Animal extinctions may also rob humans of valuable medical advancements. Many different species have unique bodily processes that can offer insight into curing human disease. What are the causes and effects […]

What three things can change velocity? An object can change velocity in a number of ways: it can slow down, it can speed up, or it can change direction. A change in speed, or a change in direction, or a change in both speed and direction means that the object has a change in velocity. […]

How do you write a perfect answer? Set the priority. List out the questions which you are more confident about. Write a brief, to the point answers. 10 most effective preparation tips to score more than 90% marks in board exams. Choose questions wisely. Attempt all the questions. Don’t decorate the answer sheet. Space out […]

What is the difference between model and approach? As nouns the difference between model and approach is that model is a person who serves as a subject for artwork or fashion, usually in the medium of photography but also for painting or drawing while approach is the act of drawing near; a coming or advancing […]

How do you convert temperature to heat? When heat transfer is involved, use this formula: change in temperature = Q / cm to calculate the change in temperature from a specific amount of heat added. Q represents the heat added, c is the specific heat capacity of the substance you’re heating, and m is the […]

What happens to pressure if volume decreases in gas? Explanation: Gas particles exert pressure by colliding with the walls of their container. If you reduce the volume, you are effectively increasing the density of the particles and they will collide with the walls more frequently, leading to an increase in pressure. Why does the volume […]

What is the latent heat of fusion of ice of 2 grams? The value of latent heat of fusion = 160 cal. What does J kg K mean? Joule Per Kilogram Per Kelvin Is J GC and J gk the same? There is no difference. The specific heat is measured on a unit degree change […]

Are opposite angles equal in a parallelogram? A parallelogram is a quadrilateral whose opposite sides are parallel. The opposite angles of a parallelogram are equal. The opposite sides of a parallelogram are equal. Are all angles in a parallelogram 90 degrees? A Parallelogram can be defined as a quadrilateral whose two s sides are parallel […]

How do you cancel out a log? To rid an equation of logarithms, raise both sides to the same exponent as the base of the logarithms. In equations with mixed terms, collect all the logarithms on one side and simplify first. How do you find the log of a number? The power to which a […]

How can I strengthen my weak muscles naturally? While a program of aerobic activity – brisk walking, jogging, swimming – may boost your energy level, the only way to strengthen muscles is through strength training or “resistance” exercise (in other words, weight lifting). And be prepared to work pretty hard at it. What exercise gets […]