A helicopter is traveling at 86.0 km/h at an angle of 35° to the ground. What is the value of Ax? Round your answer to the nearest tenth. km/h

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Question:

A helicopter is traveling at 86.0 km/h at an angle of 35° to the ground. What is the value of Ax? Round your answer to the nearest tenth. km/h

Answer:

Answer: 70.5 km/h

Justification:

The question is not clearly stated but it seems you are asking for the x – component of the velocity of the helicopter.

You can find the x and y – components of the velocity using the trigonometric ratios sine and cosine.

The sine ratio relates the y-component and the velocity by:

sin(angle) = y-component of velocity / velocity

The cosine ratio related the x-component and the velocity by:

cos(angle) = x-component of velocity / velocity.

Since you have the angle and the velocity and are asked by the x-component of the velocity, you need to use the cosine ratio:

cos(35°)= x-component / 86.0 km/h

 => x -component = 86.0 km/h * cos(35°) = 70.5 km/h

From the answer and question examples above, hopefully, they can assist the student solve the question they had been looking for and keep in mind of everything stated in the answer above. You can potentially then have a discussion with your classmate and continue the school learning by studying the problem to one another.

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