How do particles behave in solid? Solid – In a solid, the attractive forces keep the particles together tightly enough so that the particles do not move past each other. In the solid the particles vibrate in place. Liquid – In a liquid, particles will flow or glide over one another, but stay toward the […]
What is an example of a positive mutation?
What is an example of a positive mutation? Quick Points. Mutations are changes in the DNA of an organism. Mutations can be beneficial, benign, or malignant, depending on where in the genetic code they are located. Examples of beneficial mutations include HIV resistance, lactose tolerance, and trichromatic vision. What is the most harmful mutation? 1). […]
Which line is parallel to Y 2×2?
Does oxygen and hydrogen make water?
Does oxygen and hydrogen make water? H-2-Oh no! Just mixing hydrogen and oxygen together doesn’t make water – to join them together you need energy. The trouble with adding energy into the equation is that a large-scale chemical reaction of flammable hydrogen and oxygen (which is what keeps a fire burning) is likely to result […]
What is driving reaction distance?
What is driving reaction distance? Reaction distance is the distance the vehicle travels from the point a driver perceives or decides that something is a hazard, until braking. Braking Distance: Braking is what the driver does to slow a vehicle. How do you calculate reaction time and distance? We can use the distance the meter […]
Why can a magnet attract an Unmagnetized nail?
Why can a magnet attract an Unmagnetized nail? Stroking material containing iron with a magnet, placing a piece of iron in the strong magnetic field, placing a piece of iron near a strong electromagnet. The reason a magnet can attract an unmagnetized nails is that? nails become temporarily magnetized in a magnetic field. Why can’t […]
What happens to kinetic energy when momentum is doubled?
What happens to kinetic energy when momentum is doubled? Kinetic energy is directly proportional to the squared of the velocity. This means that when momentum is doubled, mass remaining constant, velocity is doubled, as a result now kinetic energy becomes four times greater than the original value. Are momentum and kinetic energy the same? They […]
What was the first type of clock?
What was the first type of clock? The first mechanical clocks, employing the verge escapement mechanism with a foliot or balance wheel timekeeper, were invented in Europe at around the start of the 14th century, and became the standard timekeeping device until the pendulum clock was invented in 1656. What is the benefit of homework? […]
What is the real part of 3 2i?
How many tons of coal are in one train car?
How many tons of coal are in one train car? 120 tons What is a railroad dump? Center Dump Car. A car which will discharge its entire load between the rails. How are hopper cars unloaded? Hoppers are used to haul bulk freight such as coal, gravel, and grain; they have either several discharge hatches […]