Physics, 10.12.2021 22:00 aaamanda99
A negative slope on the velocity vs. time graph indicates that the object is not
accelerating.
• A. True
• B. False
Answers: 1
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Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?
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Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
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This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?
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Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.
Answers: 2
A negative slope on the velocity vs. time graph indicates that the object is not
accelerating.
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