Frustrated by Gravity: Solving an Energy Conservation Problem

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SUMMARY

The discussion centers on a physics problem involving a rocket launched from Earth's surface at a speed of 1.90×104 m/s. The user is applying the energy conservation theorem to determine the rocket's speed when it is far from Earth but is confused by the results. Participants emphasize the importance of clearly showing calculations and units to identify potential errors in the application of the theorem.

PREREQUISITES
  • Understanding of the energy conservation theorem in physics
  • Familiarity with gravitational potential energy concepts
  • Basic knowledge of kinematics and rocket motion
  • Ability to perform unit conversions and dimensional analysis
NEXT STEPS
  • Review the energy conservation theorem and its application in gravitational fields
  • Study gravitational potential energy calculations for objects in motion
  • Learn about kinematic equations relevant to rocket launches
  • Practice solving similar problems with varying initial speeds and distances
USEFUL FOR

Physics students, educators, and anyone interested in understanding energy conservation in the context of rocket motion and gravitational effects.

mawalker
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grrr... gravity

A rocket is launched straight up from the Earth's surface at a speed of 1.90×104 . What is its speed when it is very far away from the earth?
plugging everything into the energy conservation theorem i came up with the exact same speed... I'm not sure what I'm doing wrong.
 
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