What speed does the boxcar have after 15 seconds
A boxcar of mass 600 tons at rest becomes uncoupled on a 5.00 grade. If the track is considered to be frictionless, what speed does the boxcar have after 15 seconds?
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3.50×1023 nitrogen molecules collide with a 15.0 wall each second. Assume that the molecules all travel with a speed of 410 and strike the wall head on. What is the pressure on the wall?
Propose a research question on a topic of psychology you think would be interesting to study. Concisely describe what your theory is, your specific hypothesis, and what type of research study or studies you could use to test your idea. Explain
A 12.0 g bullet is fired horizontally into a 101 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring of constant 151 N/m. The bullet becomes embedded in the block. If the bullet-block system com
What influence does the increased usage of digital communication have on your ability to write formally?
Explain the design and application of arrays and how an array simplifies program development. Support your answer with a hypothetical real-world example.
Based on what you read in the case, what do think kandy kastle's new-product development strategy is? Why do you think the development of the hello kitty product line is important?
A signal starts at point X. As it travels to point Y, it loses 8 dB. At point Y, the signal is boosted by 10 bB. As the signal travels to point Z, it loses 7 dB. What is the dB strength of the signal at point Z
A toy train rolls around a horizontal 1.7--diameter track. The coefficient of rolling friction is 0.10. What is the magnitude of the train's angular acceleration after it is released? (found) How long does it take the train to stop if it's release
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