At what temperature do roads freeze? 32 degrees fahrenheit What is freezing temp? 32 degrees Fahrenheit How fast do wet roads freeze? That rain is followed by a fast moving cold front in the evening that drops temperatures 15° in just a few hours. That means wet roads will quickly freeze over as air temperatures […]
Is a compass needle an induced magnet?
Is a compass needle an induced magnet? The compass reacts with the earth’s poles to point in the direction of the earth’s North Pole. Rubbing the magnet against the needle in one direction caused the iron atoms in the object to line up and create a weak magnetic field, which made the needle behave like […]
Does a spoiler decrease speed?
Does a spoiler decrease speed? The drag and wind resistance decreases speed instead of increasing it. Spoilers are accessories, like tails, that extend off the trunk of the vehicle, ‘spoiling’ the airflow. The rear spoiler basically interrupts the flow and redirects it for reduced drag. Does a spoiler improve gas mileage? Does a spoiler help […]
Does red and green make blue?
Does red and green make blue? The other primary colors of light are green and red. Cyan absorbs red, yellow absorbs blue, and magenta absorbs green. Therefore, in order to get a blue coloration from pigments, you would need to absorb the red and green light colors, which can be achieved by mixing magenta and […]
Who is responsible for the 200 year death of chemistry?
Who is responsible for the 200 year death of chemistry? Death to the field of Chemistry for 2000 years! In the early 1800s, the English Chemist John Dalton performed a number of experiments that eventually led to the acceptance of the idea of atoms. He formulated the first atomic theory since the “death of chemistry” […]
What is the minimum conditions for a system to execute SHM?
What is the minimum conditions for a system to execute SHM? The minimum condition for a body to posses S.H.N. is that it must have elasticity and inertia. Which is not essential for SHM? inertia is not required for SHM because light is the most important case of SHM and it has no inertia. otherwise […]
Why do boats float and not sink?
Why do boats float and not sink? If the downward gravitational force is less than the upward buoyancy force then the object floats, otherwise it sinks. That is, if an object weighs less than the amount of water it displaces then it floats otherwise it sinks. A boat floats because it displaces water that weighs […]
Which ability does the following example represent without asking?
Which ability does the following example represent without asking? Cards Term If you stand up to someone who is hurting your feelings, which need is being met? Definition Ego Term What ability does the following example represent? Without asking, you help a coworker who is burdened by multiple and fast-approaching deadlines. Definition Assertive How do […]
How does low socioeconomic status affect child development?
How does low socioeconomic status affect child development? Low SES and exposure to adversity are linked to decreased educational success (Sheridan & McLaughlin, 2016). Children in impoverished settings are much more likely to be absent from school throughout their educational experiences (Zhang, 2003), further increasing the learning gap between them and their wealthier peers. What […]
What peculiarity of Earth and Moon related to light causes eclipse?
What peculiarity of Earth and Moon related to light causes eclipse? Sometimes when the moon orbits Earth, it moves between the sun and Earth. When this happens, the moon blocks the light of the sun from reaching Earth. This causes an eclipse of the sun, or solar eclipse. What causes lunar and solar eclipse? An […]