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olya-2409 [2.1K]
3 years ago
6

Which in is it Speed (S) or Velocity (V)?

Physics
1 answer:
Andrej [43]3 years ago
8 0

Explanation:

Speed has only magnitude.

Velocity has magnitude and direction.

"A bike goes 25 m/s toward  main street."

This includes a direction, so it is velocity (V).

"A person walks 4 mph."

This has only magnitude, so it is speed (S).

"A plane flies 200 m/s."

This has only magnitude, so it is speed (S).

"A bird flies 100 mph due south."

This includes a direction, so it is velocity (V).

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