What is the momentum p if the mass m is doubled?
Vzp
1) р
2) 2p
3) 4p
1 answer:
Answer:
<em>Correct answer: 2) 2p</em>
Explanation:
<u>Momentum</u>
Momentum is a measurement of mass in motion or how much mass is in how much motion. The symbol for momentum is p and is defined as:
p = m . v
Where m is the mass of the object and v is the speed. Note this is the scalar version of the formula because both p and v are vectors.
Suppose the mass of the object is doubled to 2m, then the new momentum is:
p' = (2m) . v = 2 m . v
Or, equivalently:
p' = 2p
Correct answer: 2) 2p
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