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Is angular momentum conserved when a spinning ice skater pulls in their arms?
Yes, angular momentum is conserved when a spinning ice skater pulls in their arms. This is because the skater's rotational speed increases as they bring their arms closer to their body, balancing out the decrease in their moment of inertia.
In gases. What happens to the density of a given mass if the volume increases?
If the volume of a gas increases, the density of the gas will decrease. This is because density is mass divided by volume, so as the volume increases while the mass stays constant, the density will decrease.
Why is kinetic energy not conserved in inelastic collisions?
Kinetic energy is not conserved in inelastic collisions because some of the initial kinetic energy is transformed into other forms of energy, such as heat or sound, during the collision. This results in a decrease in the total kinetic energy of the system after the collision.
What as a speed increases its pressure decresec?
As the speed of a fluid increases, its pressure decreases according to Bernoulli's principle. This is because the increase in velocity leads to a decrease in static pressure, as the kinetic energy of the fluid increases.
When air bubbles rises in water its volume increases what happens to its mass and density?
The mass of the air bubbles remains the same as they rise in water, but their density decreases. This is because as the volume of the air bubbles increases, they displace more water, causing their density to decrease relative to the surrounding water.
Is angular momentum conserved when a spinning ice skater pulls in their arms?
Yes, angular momentum is conserved when a spinning ice skater pulls in their arms. This is because the skater's rotational speed increases as they bring their arms closer to their body, balancing out the decrease in their moment of inertia.
Why does my tax return decrease when I enter another W2 form?
Your tax return may decrease when you enter another W2 form because it increases your total income, which can result in a higher tax liability.
If the owl population increases what will happen to the number of voles and why?
If the owl population increases, the vole population will decrease. This is because there will not be enough voles for all of the owls. Then the owl population will decrease, therefore causing another increase in vole population.
Does the volume of a gas decrease as the pressure decreases?
no it increases because it has more room to expand
What is the conclusion of inflation?
As prices rise, inflation also increases; supply increases and demands of people decrease because of high prices.
In gases. What happens to the density of a given mass if the volume increases?
If the volume of a gas increases, the density of the gas will decrease. This is because density is mass divided by volume, so as the volume increases while the mass stays constant, the density will decrease.
How is density and altitude related?
They are relted because as the altitude increases than the density will alwways decrease.
As elevation in the mesosphere increases atmospheric temperature does what?
As elevation in the mesosphere increases, the atmospheric temperature tends to decrease. This is because the mesosphere is the layer of the atmosphere where temperatures typically decrease with altitude due to the decreasing density of air molecules and the decreasing absorption of solar radiation.
What will happen to pressure when gas expands and volume increases?
When a gas expands and its volume increases, the pressure of the gas will decrease. This is because pressure and volume are inversely proportional according to Boyle's Law, which states that the pressure of a gas is inversely proportional to its volume at constant temperature.
Does wetted perimeter decrease downstream?
No, it increases as there is more water in the channel.
Why is kinetic energy not conserved in inelastic collisions?
Kinetic energy is not conserved in inelastic collisions because some of the initial kinetic energy is transformed into other forms of energy, such as heat or sound, during the collision. This results in a decrease in the total kinetic energy of the system after the collision.
As the altitude increases does the barometric pressure increase or decrease?
As altitude increases, barometric pressure decreases. This is because the air pressure decreases with increasing altitude, as there are fewer air molecules in the atmosphere exerting pressure on a given area.
