Желоб, изогнутый в виде половины окружности радиусом R, лежит на столе. По желобу из точки А в точку С переместился шарик. Какой путь он прошел? Изобразите вектор перемещения шарика и линейные скорости шарика в точках А, В и С, считая модуль скорости движения шарика V=const.
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Physics, 21.06.2019 22:30
Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.
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Physics, 21.06.2019 23:00
For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.
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Physics, 22.06.2019 01:50
Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called
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Physics, 22.06.2019 16:50
Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.
Answers: 1
Желоб, изогнутый в виде половины окружности радиусом R, лежит на столе. По желобу из точки А в точку...
Mathematics, 04.12.2019 06:31
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