Physics, 27.02.2020 02:12 taylerblaylock
A 5000-kg freight car crashes into a 10,000-kg freight car at rest. They couple upon collision and move with a speed of 2 m/s. What was the initial speed of the 5000-kg freight car?
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Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f
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Why does karst topography exist in some geographic location? a. few climates have enough oxygen b. most regions have rock layers other than limestone c. in most regions, the soil is too thin d. the water is too acidic enough in most places
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A 5000-kg freight car crashes into a 10,000-kg freight car at rest. They couple upon collision and m...
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