What is the Doppler effect and why is it important? The Doppler effect is important in astronomy because it enables the velocity of light-emitting objects in space, such as stars or galaxies, to be worked out. What are two everyday applications of the Doppler effect? The Doppler effect has several real-world applications. For example, besides […]
Is it illegal to shine a laser pointer into the sky?
Is it illegal to shine a laser pointer into the sky? The answer is, no, it is not legal to point a laser in the sky indiscriminately. Individuals have been imprisoned for intentionally shining a laser at low flying aircraft, and other individuals have been fined very meaningfully for carelessly unintentionally irradiating aircraft. Are purple […]
Is gravitational force equal to weight?
Is gravitational force equal to weight? The gravitational force on Earth is equal to the force the Earth exerts on you. At rest, on or near the surface of the Earth, the gravitational force equals your weight. What two factors does gravitational force depend on? When dealing with the force of gravity between two objects, […]
What does the odometer of an automobile measure which of the following is moving faster?
What does the odometer of an automobile measure which of the following is moving faster? Odometer is an instrument used to calculate the distance travelled by an vehicle in particular period of time. The car will move faster as the speed is in km/hr. How do we calculate the average speed of a car? How […]
Can be broken down into two or more components?
Can be broken down into two or more components? Matter can be broken down into two categories: pure substances and mixtures. Pure substances are further broken down into elements and compounds. mixtures are phisically combined structures that can be seperated into their original components. A chemical substance is composed of one type of atom or […]
What is the average wpm for a 13-year-old?
Can as genotype change to SS?
Can as genotype change to SS? It cannot be changed in the living time. And change depends on chance in the next generation. Genotype change is not a choice but chance. The genotypes mentioned in the question are pertaining to the genotypes of Sickle cell anemia (AA, As, ss). Can you tell someone’s genotype just […]
Which type of neuron is the fastest?
Which type of neuron is the fastest? Newsletter. 268 Speed (in miles per hour) at which signals travel along an alpha motor neuron in the spinal cord, the fastest such transmission in the human body. Sensory receptors in the skin, which lack the speed-boosting insulating layer called a myelin sheath, are among the slowest, at […]
What are the signs of infiltration?
What are the signs of infiltration? What are signs of an infiltration/extravasation? Redness around the site. Swelling, puffy or hard skin around the site. Blanching (lighter skin around the IV site) Pain or tenderness around the site. IV not working. Cool skin temperature around the IV site or of the scalp, hand, arm, leg or […]
What hormone raises blood sugar and increases the heartbeat and breathing rates?
What hormone raises blood sugar and increases the heartbeat and breathing rates? Adrenal-medulla Adrenaline Stimulates breakdown of glycogen to glucose, release of glucose into blood; increases rate of heartbeat and rate of respiration, Pancreas-islets of Langerhans Insulin Stimulates glucose oxidation and removal from bloodstream (storage). How do hormones in the endocrine system move around the […]