Two cars collide at right angles. car 1 (mass 1,100 kg) is going north with a speed 31 m/s. car 2 (mass 1,200 kg) is moving east with a speed 19 m/s. the cars stick together after the collision. what is the magnitude of the velocity of the cars after the collisions? what angle does the velocity vector make with the x axis?
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Physics, 22.06.2019 12:20
Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?
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Physics, 22.06.2019 17:40
Emmy kicks a soccer ball up at an angle of 45° over a level field. she watches the ball's trajectory and notices that it lands, two seconds after being kicked, about 20 m away to the north. assume that air resistance is negligible, and plot the horizontal and vertical components of the ball's velocity as a function of time. consider only the time that the ball is in the air, after being kicked but before landing. take "north" and "up" as the positive ‑ and ‑directions, respectively, and use ≈10 m/s2 for the downward acceleration due to gravity.
Answers: 2
Two cars collide at right angles. car 1 (mass 1,100 kg) is going north with a speed 31 m/s. car 2 (m...
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