Each of 2 front tires in the car is filled with a different
Each of 2 front tires in the car is filled with a different gas. One tire contains 116 g of helium, another tire has 160 g of unknown gas. How many times heavier is a molecule of the unknown gas than an atom of helium?
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Suppose a 0.3 kg mass on a spring tha has been compressed 0.10m has elastic potential energy of 1 J. What is the spring constant? Also, how much further must the spring be compressed to triple the elastic potential energy
The typical plant produces 750 tons of H2SO4 per day. Calculate amount of heat produced by the plant per day.
A parallel-plate capacitor is formed from two circular 20-cm-diameter plates spaced 1.0 mm apart. What is the charge (in nC) on the positive plate
A semicircle of radius a is in the first and second quadrants, What is the direction of the net electric field at the origin produced by this distribution of charge (+x,-x,+y,-y direction)
Each of 2 front tires in the car is filled with a different gas. One tire contains 116 g of helium, another tire has 160 g of unknown gas. How many times heavier is a molecule of the unknown gas than an atom of helium
A cannonball is shot (from ground level) with an initial horizontal velocity of 36 m/s and an initial vertical velocity of 21 m/s. What is the initial speed of the cannonball
Suppose you want to heat air in your house with methane (CH4). Assume your house has 275 m2 of floor area and that ceiling is 2.50 m from the floor.
A ball is thrown horizontally from a height of 19.8 m and hits the ground with a speed that is three times its initial speed
Assume the only MgCO3 could produce gas CO2 what percent of original sample was magnesium carbonate? What was the pressure of the CO2 produced
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What kind of traits were used to identify the organisms? Which traits were easiest to distinguish? Which ones were hardest?
What is the cerebral cortex and what is its function? Explain how electrical conduction travels along an axon.
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Two male elk fight during mating season to win access to females. In the previous question, you determined if the competition was intraspecific or interspecific
A forest experiences a long drought, causing food and water sources to dry up. Many animals die from starvation or dehydration.
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