A Skateboarder and an Observer

A Skateboarder and an Observer#

Lorenzo is on a skateboard and has an initial velocity of (1.19 \(m/s\)) \(\hat{\imath}\) relative to Ximena who is at rest with respect to the earth. Just as they are gliding past Ximena, Lorenzo throws a ball in the positive \(x\)-direction from a height of 4.21 m. According to Lorenzo, the ball has an initial velocity of (4.49 \(m/s\)) \(\hat{\imath}\).

Part 1#

What is the initial velocity of the ball according to Ximena?

Answer Section#

Please enter in a numeric value in \(m/s\).

Part 2#

How long is the ball in the air?

Answer Section#

Please enter in a numeric value in \(s\).

Part 3#

Relative to Ximena, where does the ball land?

Answer Section#

Please enter in a numeric value in \(m\).

Attribution#

Problem is licensed under the CC-BY-NC-SA 4.0 license.
The Creative Commons 4.0 license requiring attribution-BY, non-commercial-NC, and share-alike-SA license.

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