Category: Physics

What planet spins the fastest? Jupiter What determines how fast a planet spins? The rotational speed is normally determined by the initial angular momentum when the planet formed, but may also be altered subsequently by large collisions (as for example the collision of the earth with another planet which gave us our moon). Why Jupiter […]

Is earthquake epicenter randomly distributed on Earth? Earthquake epicentres are not randomly distributed on earth. They occur wherever two tectonic plates meet. The collision of these plates leads to the occurrence of earthquakes and volcanoes. About 75% of world’s largest volcanoes and 90% of earthquakes occur along the Pacific Ring of Fire. How do you […]

Why does the earth switch polarity? The reversals take place when iron molecules in Earth’s spinning outer core start going in the opposite direction as other iron molecules around them. As their numbers grow, these molecules offset the magnetic field in Earth’s core. What does normal polarity mean? Normal polarity is defined as the magnetic […]

Is Yahweh mentioned in the Bible? In Genesis 4:26 (in the J story), it is said, “At that time people began to call on the name of yhwh.” In E, on the other hand, the name yhwh is never used until Exodus 3:14-15 when God gives Moses the name by which he is to announce […]

Is pivot point same as axis of rotation? is that pivot is a thing on which something turns; specifically a metal pointed pin or short shaft in machinery, such as the end of an axle or spindle while axis is (geometry) an imaginary line around which an object spins (an axis of rotation) or is […]

What are the 5 things a graph needs? There are five things about graph that need our attention when designing graphs: visual structures, axes and background, scales and tick marks, grid lines, text. What are the main features of a graph? Key features include: intercepts; intervals where the function is increasing, decreasing, positive, or negative; […]

What are the reasons for melting of a fuse wire? Answer. Answer: A fuse is used in a circuit to avoid overloading or short circuiting. When a current higher than the rating of the fuse flows through it, the fuse wire gets heated and melts. Why should a material of low melting point be used […]

Is broccoli a fruit? Vegetable Is an eggplant a berry? Fact: While it’s generally thought of as a vegetable, eggplant is actually a fruit. The eggplant, aubergine, melongene, brinjal or guinea squash is a plant of the family Solanaceae. Eggplant is grown for its usually egg-shaped fleshy fruit and is eaten as a cooked vegetable. […]

How do you get temporary power? A temporary power permit must be obtained. After it has been placed in the ground with panel and secured to the ground according to local codes for pole height and depth, your local building inspector will come to your sight and approve or require change to get approved. What […]

What would be the best material to use for the handle of a frying pan? Very heavy professional or restaurant pans will have iron handles, while those for home use will be made of brass or stainless steel. All are perfectly safe for oven use. Why are wooden pans not used for cooking? We cook […]