It's 5:00 PM and Kurdapya needs to finish her physics module, one of the problems tates that a rocket and a spacecraft were attached and has a combined mass of 3.8 × 10⁵kg and is to reach a speed of 12.3 km/s, she needs to know how much kinetic energy will it have.

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter11: Energy And Its Conservation
Section: Chapter Questions
Problem 44A
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1. It's 5:00 PM and Kurdapya needs to finish her physics module, one of the problems tates that a rocket and a spacecraft were attached and has a combined mass of 3.8 × 10⁵kg and is to reach a speed of 12.3 km/s, she needs to know how much kinetic energy will it have.

2. The next day, Kurdapya craved for some riped guava fruit. She has to climb the guava tree however she realized that she is already 65 kg and the tree is 7.2 meters high. Let us calculate the power required for her to climb the tree in 15 seconds.

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