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Bill is an observer on earth. debra pilots a spaceship which passes earth at speed 0.820c in the +x direction. amanda pilots a spaceship which passes earth at speed 0.778c in the -y direction. bill holds a picture frame which lies in the x-y plane that is 0.75 m long (along x-direction) by 0.50 m wide (along y-direction). (a) what is the area of the picture frame as measured by debra? (b) what is the area of the picture frame as measured by amanda?
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Physics, 22.06.2019 17:50, arunamvr
Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system
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Physics, 22.06.2019 18:30, leslylinares454
Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.
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Bill is an observer on earth. debra pilots a spaceship which passes earth at speed 0.820c in the +x...
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