What are the three equations of uniformly accelerated motion? s=ut+12at2. C. v2=u2+2as. Hint: All the three equations for the uniformly accelerated motion can be derived by using the expressions for velocity, displacement, and acceleration and integrating them. What is the uniform accelerated motion? In general, a uniformly accelerated motion is the one in which the […]
Do we have 3 moons?
Do we have 3 moons? After more than half a century of speculation, it has now been confirmed that Earth has two dust ‘moons’ orbiting it which are nine times wider than our planet. Scientists discovered two extra moons of Earth apart from the one we have known for so long. Earth doesn’t have just […]
What causes a covalent bond?
What causes a covalent bond? Covalent bonds form when electrons are shared between atoms and are attracted by the nuclei of both atoms. In pure covalent bonds, the electrons are shared equally. In polar covalent bonds, the electrons are shared unequally, as one atom exerts a stronger force of attraction on the electrons than the […]
What are the two main functions of the cell membrane?
What are the two main functions of the cell membrane? The cell membrane, therefore, has two functions: first, to be a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products. […]
What is the most powerful ocean current?
What is the most powerful ocean current? Antarctic Circumpolar Current What is the longest current in the world? Why is Lake Erie so dangerous? The reason: The water was contaminated with algae-like cyanobacteria, which can produce toxins that sicken people and kill pets. This is the noxious goo that cut off about 500,000 Toledo-area residents […]
What is the fastest unit of time?
What is the fastest unit of time? This apparent limit on time interval is about 10-43 second and is called Planck time. The Planck distance–how far light travels in one unit of Planck time–is about 10-35 meters, or about 1020 times smaller than the size of the nucleus of an atom. What is the shortest […]
What is called Neutralisation reaction give its two examples?
What is called Neutralisation reaction give its two examples? A neutralization reaction is when an acid and a base react to form water and salt and involves the combination of hydrogen ions and hydroxyl ions to generate water. The neutralization of a strong acid and strong base has a pH equal to 7. Example – […]
What is a good Q factor?
What instrument is used to measure the average kinetic energy in a substance?
What instrument is used to measure the average kinetic energy in a substance? thermometer What is the relationship between temperature and kinetic energy of particles in a substance? As stated in the kinetic-molecular theory, the temperature of a substance is related to the average kinetic energy of the particles of that substance. When a substance […]
What is the coldest city in Brazil?
What is the coldest city in Brazil? Urupema Does Brazil have 4 seasons? As Brazil lies in the Southern Hemisphere, its seasons are the exact opposite of what Northern Hemisphere residents are used to: summer is December through March and winter June through September. Within the country the climate varies considerably from region to region. […]