A 42.50 kg mass has a potential energy of -35,600 joules with respect to a given datum within the earth's standard gravitational field. a) Find its height relative to the datum b) If the gravitational field is suddenly disturbed such that the local gravity becomes 8.65 m/sec², what will be the effect on the potential energy of the mass? Ans. 85.39 m 31.391 kJ

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1. A 42.50 kg mass has a potential energy of -35,600 joules with respect to a given
datum within the earth's standard gravitational field.
a) Find its height relative to the datum
b) If the gravitational field is suddenly disturbed such that the local gravity becomes
8.65 m/sec², what will be the effect on the potential energy of the mass?
Ans. 85.39 m : 31.391 kJ
Transcribed Image Text:1. A 42.50 kg mass has a potential energy of -35,600 joules with respect to a given datum within the earth's standard gravitational field. a) Find its height relative to the datum b) If the gravitational field is suddenly disturbed such that the local gravity becomes 8.65 m/sec², what will be the effect on the potential energy of the mass? Ans. 85.39 m : 31.391 kJ
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