Which combination of statements is most accurate? (A) Mass is a measure of an ob

Question

Which combination of statements is most accurate? (A) Mass is a measure of an object's resistance to speed. (B) Mass and weight are equivalent to each other. (C) Objects with the same mass must made of the same material. (D) Mass isn't necessarily conserved, but it cannot be created or destroyed. (E) None of the above Which combination of options is most accurate? (A) Momentum is conserved only when objects are not interacting with each other. (B) As a ball falls to the ground, its momentum increases, therefore is not conserved. (C) It is possible for an elephant and a mosquito to have equal amounts of momentum. (D) In an isolated, two-object collision, the impulses are equal and opposite. (E) None of the above

Explanation / Answer

7. Inertial mass is a measure of objects resistance's speed. Where the other option are (b is wrong mass and weight are different, (c it is possible that same mass with different materials. (D mass is created by many process. Option a is right.

8. Answer will be a. Where as the other option (b falling ball condition momentum is conserved, (c it is not possible that momentum will be same for elephant and mosquito. If either velocity of one will be higher than elephant. (D. For an isolated system momentum is same not impulse

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