A Skateboarder and an Observer#
Ximena is on a skateboard and has an initial velocity of (0.639 \(m/s\)) \(\hat{\imath}\) relative to Savannah who is at rest with respect to the earth. Just as they are gliding past Savannah, Ximena throws a ball in the positive \(x\)-direction from a height of 2.43 m. According to Ximena, the ball has an initial velocity of (3.14 \(m/s\)) \(\hat{\imath}\).
Part 1#
What is the initial velocity of the ball according to Savannah?
Answer Section#
Please enter in a numeric value in .
Part 2#
How long is the ball in the air?
Answer Section#
Please enter in a numeric value in .
Part 3#
Relative to Savannah, where does the ball land?
Answer Section#
Please enter in a numeric value in .
Part 4#
If the mass of Ximena plus the skateboard is \(kg\) and the ball has a mass of \(kg\), what is Ximena’s speed, as measured by Savannah, immediately after releasing the ball?
Answer Section#
Please enter in a numeric value in .
Part 5#
Relative to Ximena, where does the ball land?
Answer Section#
Please enter in a numeric value in .
Attribution#
Problem is licensed under the CC-BY-NC-SA 4.0 license.