Physics, 23.09.2019 15:20 isalih7256
An 8000-kg engine pulls a 40,000 kg train along a level track and gives it an acceleration a1 = 1.20 m/s 2 . what acceleration (a2) would the engine give to a 16,000-kg train?
Answers: 1
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.
Answers: 1
Physics, 22.06.2019 06:00
Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
Answers: 1
Physics, 23.06.2019 02:00
How does the formation of intrusive and extrusive igneous rocks differ?
Answers: 3
An 8000-kg engine pulls a 40,000 kg train along a level track and gives it an acceleration a1 = 1.20...
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