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Select ALL of the following that are vector quantities.



166 kg.m/s southwest


44 N upward


39 m/s east


13.7 grams


86 miles per hour


12 meters

Sagot :

Answer:

166 kg *m/s

44 N upward

39 m/s east

Explanation:

The short answer: If it has direction, it's a vector.

The long answer:

Vectors, unlike scalars, have direction. The first one, 166 kg*m/s is momentum, since momentum is velocity*mass, and velocity is a vector, momentum must be a vector.

44 Newtons is a vector since it has direction, in this case, upward. Force is acceleration*mass, and since acceleration is a vector, force must be a vector.

39 m/s is velocity, velocity has a direction, therefore it's a vector.

13.7 grams is mass since mass doesn't change with direction, it's a scalar, the opposite of a vector.

86 miles per hour has speed, but speed has no direction, therefore it's a scalar.

12 meters is distance, distance has no direction, therefore it's a scalar.

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