A particle is created in the upper atmosphere; 18km above the surface of the Earth as measured by someone on the ground. The particle travels towards Earth’s surface at a speed of 0.95c as measured by someone on the ground. The particle travels for a time period 2.0 × 10−5s as measured in the particle’s rest frame.
A particle is created in the upper atmosphere; 18km above the surface of the Earth as measured by someone on the ground. The particle travels towards Earth’s surface at a speed of 0.95c as measured by someone on the ground. The particle travels for a time period 2.0 × 10−5s as measured in the particle’s rest frame.
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A particle is created in the upper atmosphere; 18km above the surface
of the Earth as measured by someone on the ground. The particle travels
towards Earth’s surface at a speed of 0.95c as measured by someone on the
ground. The particle travels for a time period 2.0 × 10−5s as measured in
the particle’s rest frame.
The question is attached as an image and the correct answer is A, could someone please explain why this is
Transcribed Image Text:40. Does the particle reach Earth's surface?
(a) Yes as measured in the particle's frame, and yes as measured in
the Earth's frame.
(b) Yes as measured in the particle's frame, and no as measured in
the Earth's frame.
(c) No as measured in the particle's frame, and yes as measured in
the Earth's frame.
(d) No as measured in the particle's frame, and no as measured in
the Earth's frame.
(e) This cannot be determined in either frame.
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