Tony Stark is standing beside Thor who is standing on the top of Stark Tower (425 m) his hammer has a mass equal to 300 billion elephants (call it 4.5*1015 kg) Tony and Thor drop at the same time. Tony drops his lucky penny. Thor his hammer. How fast (in m/s) will Tony’s lucky penny be traveling just before it strikes the ground, assuming nothing stops it?

Tony Stark is standing beside Thor who is standing on the top of Stark Tower (425 m) his hammer has a mass equal to 300 billion elephants (call it 4.5*1015 kg) Tony and Thor drop at the same time. Tony drops his lucky penny. Thor his hammer. How fast (in m/s) will Tony’s lucky penny be traveling just before it strikes the ground, assuming nothing stops it?

Astronomy

1st Edition

ISBN:9781938168284

Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Chapter3: Orbits And Gravity

Section: Chapter Questions

Problem 13E: To calculate the momentum of an object, which properties of an object do you need to know?

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