What are the four south poles? Of the many interesting historical facts and stories he told, the students were amazed to find there are four South Poles on the Earth’s crust: The Geographic South Pole. The South Magnetic Pole. The Geomagnetic Pole. Will Earth ever lose its magnetic field? The direction and intensity of the […]
Are lab experiments valid?
Are lab experiments valid? – Results of laboratory experiments tend to be reliable, as the conditions created (and thus results produced) can be replicated. – Data collected may lack ecological validity, as the artificial nature of laboratory experiments can cast doubt over whether the results reflect the nature of real life scenarios. What are the […]
Can you have a zero tangential and nonzero centripetal acceleration?
Can you have a zero tangential and nonzero centripetal acceleration? If our object is increasing its speed or slowing down, there is also a non-zero tangential acceleration in the direction of motion. But when the object is moving at a constant speed in a circle then only the centripetal acceleration is non-zero. Can a car […]
What makes a star twinkle?
What makes a star twinkle? As light from a star races through our atmosphere, it bounces and bumps through the different layers, bending the light before you see it. Since the hot and cold layers of air keep moving, the bending of the light changes too, which causes the star’s appearance to wobble or twinkle. […]
What is the kinetic energy of a car that is traveling with a speed of 40 m/s and has a mass of 1120 kg?
What happened to Pearl Fernandez and isauro Aguirre?
What happened to Pearl Fernandez and isauro Aguirre? Fernandez pleaded guilty in February 2018 and admitted the special circumstance allegation of murder involving the infliction of torture. The plea came about two months after jurors recommended that Aguirre be sentenced to death for the boy’s killing. Aguirre, now 40, is now on death row. Who […]
What a pilot must do when they lose control of their remotely piloted aircraft and it may inadvertently enter controlled airspace?
What a pilot must do when they lose control of their remotely piloted aircraft and it may inadvertently enter controlled airspace? Ensure that the appropriate Air Traffic Service Unit(s) is advised immediately anytime the flight of the RPA inadvertently enters into controlled airspace. The Pilot must also notify the OM and their supervisor once incident […]
How long does it take for hot coffee to cool down in the fridge?
What are the similarities and differences between anatomy and physiology?
What are the similarities and differences between anatomy and physiology? Whereas anatomy is about structure, physiology is about function. Human physiology is the scientific study of the chemistry and physics of the structures of the body and the ways in which they work together to support the functions of life. What is the most important […]
What enzyme builds the new strand in DNA replication?
What enzyme builds the new strand in DNA replication? DNA polymerases How the information stored in a gene is used to produce a functional protein? Most genes contain the information needed to make functional molecules called proteins. During the process of transcription, the information stored in a gene’s DNA is passed to a similar molecule […]