Physics, 02.10.2020 23:01 christianmcafee
Juan draws a free-body diagram of an object that is in dynamic equilibrium moving to the left. A free body diagram with 4 force vectors. The first vector is pointing downward, labeled F Subscript g Baseline = Y. The second vector is pointing right, labeled F Subscript t Baseline = X. The third vector is pointing upward, labeled F Subscript N Baseline = 45 N. The fourth vector is pointing left, labeled F Subscript f Baseline = negative 30 N. The up and down vectors are the same length. The right and left vectors are the same length. Which labels correctly complete the diagram? X: 45 N Y: –45 N X: –45 N Y: 30 N X: 30 N Y: –45 N X: 30 N Y: –30 N
Answers: 3
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An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2
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An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.
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Physics, 22.06.2019 16:30
In the nineteenth century, gregor mendel first determined some basic rules of genetics that have been observed throughout all types of life. no observations have disproved these basic rules of genetics. charles darwin developed the idea of biological evolution around the same time, but he was unaware of mendel’s discoveries in genetics. over a century later, darwin’s idea of evolution was modified in order to incorporate mendel’s rules of genetics along with the other evidence that darwin had used. what is most likely the relationship between mendel’s rules of genetics and darwin’s idea of biological evolution? a.)mendel’s genetics states laws that are now part of the theory of biological evolution.b.)biological evolution states laws that are part of mendel’s theory of genetics.c.)mendel’s genetics replaced darwin’s entire concept of biological evolution.d.)biological evolution is a law that explains why all genetics exist.
Answers: 1
Juan draws a free-body diagram of an object that is in dynamic equilibrium moving to the left. A fre...
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