Please answer everything asap i really need help 61. The mass-energy equivalence formula is given by:A. E = mcB. E = mc^2C. E = 0.5mv^2D. E = mgh62. A particle with a rest mass of 2 kg is moving at a speed of 0.9c relative to an observer. Whatis the relativistic mass of the particle according to the observer?A. 4.60 kgB. 5.34 kgC. 7.20 kgD. 9.00 kg63. A 10-meter-long train is moving at a speed of 0.8c relative to an observer. If the observermeasures an event at the front of the train to have occurred 1 second after an event at theback of the train, what is the time difference between the two events according to anobserver on the train?A. 0.6 sB. 0.8 sC. 1.0 sD. 1.2 s

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61. The mass-energy equivalence formula is given by: A. E = mc B. E=mc^2 C. E = 0.5mv^2 D. E = mgh

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter26: Relativity

Section: Chapter Questions

Problem 9P: A muon formed high in Earth's atmosphere travels toward Earth at a speed v = 0.990c for a distance...

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Please answer everything asap i really need help

61. The mass-energy equivalence formula is given by:
A. E = mc
B. E = mc^2
C. E = 0.5mv^2
D. E = mgh
62. A particle with a rest mass of 2 kg is moving at a speed of 0.9c relative to an observer. What
is the relativistic mass of the particle according to the observer?
A. 4.60 kg
B. 5.34 kg
C. 7.20 kg
D. 9.00 kg
63. A 10-meter-long train is moving at a speed of 0.8c relative to an observer. If the observer
measures an event at the front of the train to have occurred 1 second after an event at the
back of the train, what is the time difference between the two events according to an
observer on the train?
A. 0.6 s
B. 0.8 s
C. 1.0 s
D. 1.2 s

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