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alexdok [17]
4 years ago
5

Which of the following quantities is a scalar?

Physics
2 answers:
Oxana [17]4 years ago
8 0

Answer:

The answer is C

Explanation:

Scalar is a quantity that has only magnitude with no directions.

In the options above, option A, B and D show the directions which is Vector quantity.

djyliett [7]4 years ago
6 0

Answer:

Option C

Explanation:

Scalar quantities are described by its magnitude only. They do not need to be described by the direction. So, 20 miles per hour is the scalar quantity.

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3 0
4 years ago
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an object is dropped from a height of 25 meters. at what velocity will it hit the ground? a 7.0 m/s b 11 m/s c 22 m/s d 49 m/s e
kipiarov [429]
Assuming that the object starts at rest, we know the following values:

distance = 25m
acceleration = 9.81m/s^2 [down]
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we want to find final velocity and we don't know the time it took, so we will use the kinematics equation without time in it:

Velocity final^2 = velocity initial^2 + 2 × acceleration × distance

Filling everythint in, we have:

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6 0
3 years ago
How is the frequency of an electromagnetic wave related to energy
aivan3 [116]

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Explanation:

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7 0
4 years ago
How would an object need to move in order for total distance traveled and displacement to be equal?
mart [117]

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