Physics, 03.02.2020 02:58 strikeboystorm
True or false: if the net force of an object is 0 n, the forces are considered unbalanced. (true)
2. which of the following forces causes a feather to fall slower than a blowing ball?
gravity ← rolling friction sliding friction air resistance 3. a small fish in the pacific ocean watches a shark swim by a large rock a few meters away. which of the following reference point in this scenario?
shark large rock ← water pacific ocean 4. which of the following pairs of objects would have the strongest gravitational pull?
two buildings in the same city ← two tall buildings in different cities two stars very far away from each other two stars very close to each other 5. a maglev train uses powerful magnets to lift the train above the tracks as it moves forward. such as a design reduces which of the following forces?
rolling friction gravity air resistance ← fluid friction 6. which of the following examples does not demonstrate a change in velocity?
an elevator slows down in order to stop at the top floor ←
a cruise ship travels west at a constant speed a soccer ball is passed across the field or ← a train remains at a constant speed as it moves around the bend
7. which of the following does not need to be measured in order to describe motion?
size of an object distance the object traveled velocity of the object ← acceleration of the object so much!
Answers: 3
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Physics, 22.06.2019 04:20
Calculate the capacitance of a system that stores 2.0 x 10^-10c of charge at 100.0 v. use c=q/v. a. 2.0 x 10^-12 f b. 2.0 x 10^-8 f c. 5.0 x 10^11 f d. 5.0 x 10^7 f
Answers: 1
True or false: if the net force of an object is 0 n, the forces are considered unbalanced. (true)
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