Physics

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The 500 m-long spaceship Springbrake is at rest on the planet Hitest for refueling. Another ... Started by londonang	1 Replies 63 Views	Aug 10, 2020 by carolinefletcherr
Lydia proposes to send an interstellar probe off in stages. The first stage, traveling radially ... Started by brutforce	1 Replies 59 Views	Aug 10, 2020 by voltaire123
In a classroom on the first spaceship to an extrasolar planet--there are children because the trip ... Started by wenmo	1 Replies 66 Views	Aug 10, 2020 by Gabe
Hanna, at rest in her spaceship which is moving past Earth at 0.800 c, observes a neutron at rest ... Started by urbanoutfitters	1 Replies 104 Views	Aug 10, 2020 by anyusername12131
Fireworks go off at the same time according to Earth clocks in two cities, Alum and Boron, that are ... Started by CQXA	1 Replies 55 Views	Aug 10, 2020 by sabina576
Energy is released during a nuclear reaction due to a conversion between mass and energy. Mass is ... Started by rosent76	1 Replies 155 Views	Aug 10, 2020 by ansleighelindsey
Clovis wants to lose weight. Clotilde tells him that he will be thin enough for her if he travels ... Started by deesands	1 Replies 150 Views	Aug 10, 2020 by fdliggud
Captain Ray, on the Galactic Explorer, sets off bright signal lights at the two ends of his ... Started by bcretired	1 Replies 131 Views	Aug 10, 2020 by Ptupou85
As a spaceship heads directly to Earth at a velocity of 0.8c, it sends a radio signal to Earth. When ... Started by londonang	1 Replies 88 Views	Aug 10, 2020 by janieazgirl
An electron (m = 9.11 1031 kg) has a speed of 0.50 c. Determine the difference between its ... Started by neverstopbelieb	1 Replies 80 Views	Aug 10, 2020 by GCabra
An astronaut traveling with a speed v = 0.90 c holds a meterstick in his hand. If he measures its ... Started by Sportsfan2111	1 Replies 73 Views	Aug 10, 2020 by aadams68
A spaceship moving past the Earth with a speed of 0.800 c signals to the Earth with pulsed laser ... Started by casperchen82	1 Replies 286 Views	Aug 10, 2020 by adf223
A spaceship moves at a speed of 0.95 c away from the Earth. It shoots a star wars torpedo toward the ... Started by drink	1 Replies 71 Views	Aug 10, 2020 by chem1s3
A spaceship leaves Earth and maintains a constant force by means of a nuclear engine. As the speed ... Started by vHAUNG6011	1 Replies 67 Views	Aug 10, 2020 by eliasc0401
A spaceship from another galaxy passes over the solar system directly above a radial line from the ... Started by sam.t96	1 Replies 55 Views	Aug 10, 2020 by tranoy
A satellite moves east, taken as the positive x axis direction, at a speed of 0.5 c and a spaceship ... Started by vicky	1 Replies 62 Views	Aug 10, 2020 by rosiehomeworddo
A proton's rest mass is 1.67 1027 kg. Calculate its total energy when it is accelerated to a speed of 0.80 c. Started by jessicacav	1 Replies 72 Views	Aug 10, 2020 by angrybirds13579
A proton has a total energy of 2.5 1010 J. How fast is it moving? (M = 1.67 1027 kg) Started by Sportsfan2111	1 Replies 74 Views	Aug 10, 2020 by Anna
A boat has an initial velocity of 2 m/s in the y direction on a stream which is moving in the x ... Started by cnetterville	1 Replies 82 Views	Aug 10, 2020 by ASDFGJLO
A 30-year-old woman takes a trip on a rocket, leaving her 20-year-old brother behind. She travels at ... Started by luvbio	1 Replies 259 Views	Aug 10, 2020 by ebonylittles
A 1000-kg automobile moving with a speed of 24 m/s relative to the road collides with a 500-kg ... Started by jhjkgdfhk	1 Replies 91 Views	Aug 10, 2020 by swimkari
A 1000-kg automobile moving with a speed of 24 m/s collides with a 500-kg car initially at rest. If ... Started by go.lag	1 Replies 63 Views	Aug 10, 2020 by ciecieme
Find the momentum and speed of a proton whose kinetic energy equals its rest energy. (The mass of a ... Started by DelorasTo	1 Replies 203 Views	Aug 10, 2020 by asdfghjkl;
You could determine the index of refraction for visible light of a dark but reflective medium such ... Started by ss2343	1 Replies 93 Views	Aug 10, 2020 by asware1
White light is spread out into spectral hues by a diffraction grating. If the grating has 1000 lines ... Started by WhattoUnderstand	1 Replies 92 Views	Aug 10, 2020 by hramirez205