How do you calculate the effusion of a gas? From Graham’s law, we can use the molar mass of each gas: rate of effusion of hydrogenrate of effusion of oxygen=√32g mol−1 √2g mol−1 =√16√1=41 rate of effusion of hydrogen rate of effusion of oxygen = 32 g mol − 1 2 g mol − 1 […]
What hormones do males and females have in common?
What hormones do males and females have in common? Generally, females and males have the same hormones (i.e., estrogens, progesterone, and testosterone), but their production sites, their blood concentrations, and their interactions with different organs, systems, and apparatus are different [29]. What hormone does both sexes produce? Testosterone is produced by the gonads (by the […]
How can atoms make all of the substances around you?
How can atoms make all of the substances around you? Atoms can join together to form molecules, which in turn form most of the objects around you. Atoms are composed of particles called protons, electrons and neutrons. Protons carry a positive electrical charge, electrons carry a negative electrical charge and neutrons carry no electrical charge […]
Can an optometrist tell if you have cataracts?
Can an optometrist tell if you have cataracts? Eye cataracts can be diagnosed by an optometrist or an ophthalmologist by performing a series of tests, usually included in a comprehensive eye examination. Can an eye doctor tell if you do drugs? All of the major drugs of abuse, including cocaine, marijuana, amphetamine, phencyclidine, heroin, and […]
What are the three main sources of meteoroids?
What are the three main sources of meteoroids? These meteors come from meteoroids, there are three main sources of meteoroids. Many are left over from the dust that formed the Solar System. Others are fragments of asteroids, broken off in collisions. Huge meteor showers, caused by many meteoroids entering the atmosphere in one go, are […]
Does myelination increase time constant?
Does myelination increase time constant? In textbooks, it says that myelination doesn’t really affect the time constant as tau=RC where R is the membrane resistance and C is the membrane capacitance. Myelin increases membrane resistance while decreasing membrane capacitance so there isn’t really an overall effect on the time constant. Does myelination increase length constant? […]
Can a body have zero velocity and finite acceleration?
Can a body have zero velocity and finite acceleration? This acceleration is the gravitational acceleration. At that point the component of acceleration/gravitational acceleration works there. So, at the topmost point the velocity is zero but acceleration is not and has a finite value. Therefore, a body can have zero velocity and finite acceleration. Is it […]
What is a very abundant bird species of late 19th century is totally extinct?
What is a very abundant bird species of late 19th century is totally extinct? The last confirmed wild bird is thought to have been shot in 1901….Passenger pigeon. Passenger pigeon Temporal range: 5.333–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N Zanclean-Holocene Extinct (1914) (IUCN 3.1) Scientific classification Kingdom: Animalia […]
What is the phase difference between current and voltage in a capacitor?
What is the phase difference between current and voltage in a capacitor? A capacitor is a device for storing charging. It turns out that there is a 90° phase difference between the current and voltage, with the current reaching its peak 90° (1/4 cycle) before the voltage reaches its peak. How does a capacitor shift […]
What does rotational inertia depend on?
What does rotational inertia depend on? mass What happens when rotational inertia increases? Objects with mass require forces to make them speed up or slow down because they have inertia. An object with more rotational inertia is harder to accelerate. Any object with mass will have rotational inertia, and this makes it harder to speed […]