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A child of mass 54.7 kg sits on the edge of a merry-go-round with radius 2 m and moment of inertia 172.852 kg m2. The merry-go-round rotates with an angular velocity of 1.6 rad/s.The child then walks towards the center of the merry-go-round and stops at a distance 0.72 m from the center. Now what is the angular velocity of the merry-go-round?Answer in units of rad/s.
For a given reaction, G = -4 kcal/mole and the energy of activation for the uncatalyzed reaction = 5 kcal/mole. You add an enzyme, after which the activation energy decreased to 3 kcal/mole.
Sympathetic nerves to the heart increase the rate of beat, while parasympathetic nerves decrease that rate of beat.
1. Explain what is a crossover. 2. Explain why the crossover process that occurs in meiosis ensures genetic diversity among individuals generation to generation.
If a plant (spinach) is exposed to light, CO2 increases and oxygen decreases. If it is in darkness, then CO2 decreases and oxygen increases. Is this right or do I have this switched? If it's switched, can you please explain why? Doesn't CO2 decrease ..
Describe the events that must occur to generate an action potential. Indicate how the ionic gates are controlled, explain why the action potential is an all-or-none phenomenon.
If the D-value for a certain food product at 70 degrees centigrade is 3 minutes, how long would you need to expose the food to that temperature to conform to the standard practice used in the food industry?
Discuss the effectiveness of the variety of defense employed by prey species against predators. Do the same for the variety of countermeasures used by predators to overcome prey defense. Relate answers your answers to specific examples.
q1. which means of transport would most likely be used for moving a medium-sized molecule like a monosaccharide or an
What are the similarities and differences in interphase, prophase, metaphase, anaphase, and telophase in mitosis and meiosis?
The Meselson-Stahl experiments were groundbreaking studies in molecular biology. Some of the clarity of the centrifugation results was due to the that the DNA was fragmented during handling (although the experimenters did not know it at the time).
Cuvette D has an inside diameter of 2 cm and cuvette E an inside diameter of 2.1 cm. Each one is filled to the brim with the same solution. If a solution reads an absorbance of 0.05 in cuvette D, what will the same solution read in cuvette E, othe..
Examine graphs and data tables, are there trends or results that you notice that are not mentioned in the text? Why not? Should they be? Would they change any of the conclusions or other statements the authors have made?
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