Solve the Problem $640 \mathrm {~km} / \mathrm { hr }$

question 24

Multiple Choice

Solve the problem.
-The air speed of an airplane is $640 \mathrm {~km} / \mathrm { hr }$ and its angle of climb is $9.13 ^ { \circ }$ . What is its ground speed (to the nearest $\mathrm { km } / \mathrm { hr } )$ ?

• A) \(632 \mathrm {~km} / \mathrm { hr }\)
• B) \(617 \mathrm {~km} / \mathrm { hr }\)
• C) \(622 \mathrm {~km} / \mathrm { hr }\)
• D) \(627 \mathrm {~km} / \mathrm { hr }\)

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