Classify the following quantity as scalar or vector.

$50 \mathrm{m}/\mathrm{second}$

Classify the following quantity as scalar or vector.

$20 \mathrm{m}/\sec$ towards west

Classify the following quantity as scalar or vector.

$50 \mathrm{kg}/{\mathrm{m}}^3$

Classify the following quantity as scalar or vector.

$100°\mathrm{C}$

Classify the following quantity as scalar or vector.

$100 \mathrm{kg}$

Classify the following quantity as scalar or vector.

$30°$

Classify the following quantity as scalar or vector.

Energy

Classify the following quantity as scalar or vector.

Displacement