In which of the following circumstances would the free fall model be most accurate?
Your :
1...
In which of the following circumstances would the free fall model be most accurate?
Your :
1) A rock is dropped from 1 m above the ground.
2) A rock is dropped from 100 m above the ground.
3) A balloon is dropped from 1 m above the ground. (This balloon is filled with normal air, not helium.)
4) A balloon is dropped from 100 m above the ground. (This balloon is filled with normal air, not helium.)
Answers: 3
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Aquantity of gas has a volume of 1.5 m3 and an absolute pressure of 95 kpa. when the gas is compressed to a volume of 0.5 m3, what is the new absolute pressure of the gas? (assume that there’s no change in temperature.)
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The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.
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