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Relative to the ground, wind is blowing at 4.0m/s from West to East. You run at

ID: 1260681 • Letter: R

Question

Relative to the ground, wind is blowing at 4.0m/s from West to East. You run at 3.0m/s along the ground from West to East.

In m/s, how fast is the air moving past you?  Answer

Relative to the ground, wind is blowing at 4.0m/s from West to East. You run at 3.0m/s along the ground from East to West.

In m/s, how fast is the air moving past you?  Answer

Relative to the ground, wind is blowing at 4.0m/s from West to East. You run at 3.0m/s along the ground from North to South.

In m/s, how fast is the air moving past you?  Answer

Relative to the ground, wind is blowing at 4.0m/s from West to East. You run at 3.0m/s along the ground from South to North.

In m/s, how fast is the air moving past you?  Answer

Relative to the ground, wind is blowing at 4.0m/s from West to East. You run at 6m/s along the ground and note that the air is passing you by directly from South to North. In what direction are you running?

Explanation / Answer

A)

1m/s (W-E)

b)

7m/s (W-E)

c)

4m/s (W-E)+ 3m/s(S-N) net speed of 5m/s

d) 4m/s (W-E)+ 3m/s(N-S) net speed of 5m/s

E) (S-E)