Physics, 12.10.2019 02:10 leenzazou98241
Your forehead can withstand a force of about 6.0 kn before fracturing, while your cheekbone can only withstand about 1.3 kn. a. if a 140 g baseball strikes your head at 30 m/s and stops in 0.0015 s, what is the magnitude of the ball's acceleration? b. what is the magnitude of the force that stops the baseball? c. what force does the baseball apply to your head? explain. d. are you in danger of a fracture if the ball hits you in the forehead? in the cheek?
Answers: 3
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The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection
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Which sections of the heating curve illustrate this process?
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Unlike the idealized voltmeter, a real voltmeter has a resistance that is not infinitely large. a voltmeter with resistance rv is connected across the terminals of a battery of emf e and internal resistance r. find the potential difference vmeter measured by the voltmeter. what is vmeter?
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Your forehead can withstand a force of about 6.0 kn before fracturing, while your cheekbone can only...
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