Category: Physics

Is a joule equal to one newton meter? One joule equals the work done (or energy expended) by a force of one newton (N) acting over a distance of one meter (m). One newton equals a force that produces an acceleration of one meter per second (s) per second on a one kilogram (kg) mass. […]

How do you fix a blouse that is too big? To do this, try on the sleeveless blouse (or dress) and pinch in the equal excess you’d like to remove on each side until the blouse/dress feels comfortable. Insert a pin on both sides, temporarily taking in the necessary excess. Move around a bit to […]

When UV light of wavelength falls on a metal surface? When UV light of wavelength 285 nm falls on a metal surface, themaximum kinetic energy of emitted electrons is 1.40 eV. When ultraviolet light with a wavelength of 400 nm falls on a certain metal surface the maximum kinetic energy of the emitted photoelectrons is […]

Why is Sumif not working? You may get your SUMIF formula working. If SUMIF is returning #N/A error or any other error, evaluate the formula. If you are writing the correct formula and when you update sheet, the SUMIF function doesn’t return updated value. It is possible that you have set formula calculation to manual. […]

What is the bubble on top of water called? A meniscus is a curve in the surface of a molecular substance (water, of course) when it touches another material. With water, you can think of it as when water sticks to the inside of a glass. How do you find a curved surface area? To […]

What is the most expensive thing by weight? Grandidierite. Diamond. Cost: $45,000 to $150,000 or more per gram. Painite. Cost: $300,000 per gram. Red Diamonds. Cost: $5 million per gram. Californium 252. Cost: $27 million per gram. Endohedral Fullerenes. Cost: $138.2 million per gram. Agarwood. Cost: $100,000 per kilogram. Antimatter. Cost: $62.5 trillion per gram. […]

What should I do this summer 2020 UK? Lockdown easing: 10 things you CAN do this summer Take a break in a remote cabin. See a film at an open-air cinema. Go to a drive-in rave, gig or performance. Pick up a bargain at a car-boot sale. Go kayaking. Find a wild-ish spot to camp […]

What comes first genotype or phenotype? A key difference between phenotype and genotype is that, whilst genotype is inherited from an organism’s parents, the phenotype is not. Whilst a phenotype is influenced the genotype, genotype does not equal phenotype. The phenotype is influenced by the genotype and factors including: Epigenetic modifications. What is a phenotype […]

How do you get dried concrete off of metal? How to remove dried cement from steel? Apply concrete dissolver chemical onto dried sticky concrete, mortar, grout or stucco smears. Let foaming action work. After that gently wipe off the grayish paste with some cloth or stiff rubber brush. How do you remove concrete from a […]

What part of the spine controls the heart? Sympathetic neurons in the upper thoracic part of the spinal cord innervate the cardiovascular system of the upper thorax. What type of movement can damage the lumbar? Injury can damage the tendons and muscles in the lower back. Pushing and pulling sports, such as weight lifting or […]