Category: Physics

Is it bad if an extension cord gets hot? “If the cord gets warm or hot to the touch, you may have the wrong size cord or there may be a problem with the wiring in the cord,” Dodson said. “If the cord should handle the load of the item that is plugged in and […]

What are three things that affect longshore currents? When a wave breaks at a more acute (steep) angle on a beach, encounters a steeper beach slope, or is very high, longshore currents increase in velocity. Conversely, a wider breaking angle, gentler beach slope, and lower wave height slows a longshore current’s velocity. What causes long […]

What are the common deficiency diseases? Any currently treated or untreated nutrient deficiency or disease. These include, but are not limited to, Protein Energy Malnutrition, Scurvy, Rickets, Beriberi, Hypocalcemia, Osteomalacia, Vitamin K Deficiency, Pellagra, Xerophthalmia, and Iron Deficiency. How do you know if your body is lacking vitamins? 8 Common Signs You’re Deficient in Vitamins […]

What does left curve mean? The roadway ahead curves to the left. Slow your speed and keep well to the right. The sign may be accompanied by an advisory speed placard, helping you navigate the curve safely. What are the two classification of lines? How many types of lines are there? There are two basic […]

Does body temp go up at night? It tends to go up and down a little during the day, and the same is true at night, although while you’re sleeping it can be 1 to 2 degrees lower than in the daytime. Body temperature starts to fall as bedtime approaches, paving the way for a […]

What is Brownian motion explain with diagram? The zigzag movement of the small particles suspended in a liquid or gas is called brownian motion. The best evidence for the existence and movement of particles in liquid was given by ROBERT BROWN. On looking through the microscope, it was found that the pollen grains were moving […]

Who invented 360 degrees? Timocharis, Aristarchus, Aristillus, Archimedes, and Hipparchus were the first Greeks known to divide the circle in 360 degrees of 60 arc minutes. Eratosthenes used a simpler sexagesimal system dividing a circle into 60 parts. What is 360 rotation? “Doing a 360” means spinning around completely once (spinning around twice is a […]

What inventions are needed today? 19 Inventions That Will Soon Change the World A glass that turns water into wine. “Smart” glasses. A toothbrush that cleans your teeth by itself. A pendant that turns speech into text. A mat with a built-in alarm clock. A pancake printer. A water-filtering straw. Packaging that changes color if […]

Do we need the sun to live? Do Humans Need Sunlight To Survive? The sun is the source of all heat and light energy on Earth. Humans get our energy from the food we eat, and all of that food is derived from the energy of the sun. So, we need the sun to survive. […]

How do liquids compare to density? If you weigh equal amounts or volumes of two different liquids, the liquid that weighs more is more dense. If a liquid that is less dense than water is gently added to the surface of the water, it will float on the water. If a liquid that is more […]