Ahiker, who weighs 693 n, is strolling through the woods and crosses a small horizontal bridge. the bridge is uniform, weighs 4070 n, and rests on two concrete supports, one on each end. he stops 1/4 of the way along the bridge.
what is the magnitude of the force that a concrete support exerts on the bridge (a) at the near end and (b) at the far end?
Answers: 3
Physics, 21.06.2019 17:20
If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance. what is its vertical displacement (in m) after 6 s?
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Physics, 22.06.2019 00:00
Name three different units of energy used to measure heat and describe what type of situations each is usually used.
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Physics, 22.06.2019 18:00
Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.
Answers: 2
Physics, 22.06.2019 21:30
What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change
Answers: 1
Ahiker, who weighs 693 n, is strolling through the woods and crosses a small horizontal bridge. the...
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