Question

1. Which of the following values are vectors? (Choose all that apply)
Increase of 19 Kelvin
21 kilometers north
1 cm in the positive c-direction
11.5 mm
O 74°C
4 meters

Answer 1

The vector values are '21 kilometers north'   and '1 cm in the positive c-direction'.

Given:

The following values:

• Increase of 19 Kelvin
• 21 kilometers north
• 1 cm in the positive c-direction
• 11.5 mm
• 74°C
• 4 meters

To find:

The vector values from the given values.

Solution:

The vector quantities are those quantities with magnitude and direction.

Scalar quantities are those quantities with only magnitude and no direction.

• Increase of 19 Kelvins: Only a magnitude no direction, scalar quantity.
• 21 kilometers north: Magnitude and the direction, vector quantity.
• 1 cm in the positive c-direction: Magnitude, and the direction, vector quantity.
• 11.5 mm: Only a magnitude no direction, scalar quantity.
• O 74°C: Only a magnitude no direction, scalar quantity.
• 4 meters: Only a magnitude no direction, scalar quantity.

The vector values are '21 kilometers north'   and '1 cm in the positive c-direction'.

Learn more about scalar and vector quantities here:

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