What happens to braking distance when speed is doubled? Braking forces – Higher The braking distance increases four times each time the starting speed doubles. This is because the work done in bringing a car to rest means removing all of its kinetic energy. So for a fixed maximum braking force, the braking distance is […]
Why you should never use tobacco?
Why you should never use tobacco? The nicotine and other poisonous chemicals in tobacco cause lots of diseases, like heart problems and some kinds of cancer. If you smoke, you hurt your lungs and heart each time you light up. It also can make it more difficult for blood to move around in the body, […]
What are the uses of modern periodic table?
What are the uses of modern periodic table? The organization of the periodic table can be used to derive relationships between the various element properties, and also to predict chemical properties and behaviours of undiscovered or newly synthesized elements. What are the main features of the modern periodic table? Main features: Each column is called […]
Why is First Law of Thermodynamics important?
Why is First Law of Thermodynamics important? The first law of thermodynamics has been validated experimentally many times in many places. It is truly a law of physics. It always allows the conversion of energy from one form to another, but never allows energy to be produced or destroyed in the conversion process. What are […]
Which Bill of Rights is least important?
Which Bill of Rights is least important? The Tenth Amendment, like the Third and Ninth Amendments, is one of the least cited amendments of the Bill of Rights. It states that “The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, […]
What are 5 short term effects of tobacco?
What are 5 short term effects of tobacco? The short-term effects of smoking include: Bad breath. Fatigue and a decrease in energy. Reduction in the senses of taste and smell. Coughing. Shortness of breath. How hard is quitting nicotine? Why it is Difficult to Quit Smoking Nicotine stimulates pleasure centers in the brain and is […]
What is the formula of iodine?
What is the formula of iodine? I2 Where is iodine most commonly found? oceans Is iodine solution acidic or basic? 1 Answer. Iodine is neither an acid NOR a base….. What Colour is iodine solution? Iodine Test A solution of iodine (I2) and potassium iodide (KI) in water has a light orange-brown color. If it […]
How many types of sounds do we have?
What is the best formal charge?
Does math exist before humans?
Does math exist before humans? To put it more bluntly, mathematics exists independent of humans — that it was here before we evolved and will continue on long after we’re extinct. The logistic theory, for instance, holds that math is an extension of human reasoning and logic. Does Math describe reality? Nature of mathematics To […]