Science Papers Help Online

Use the principle of conservation of mechanical energy to find the speed of the block at the base of the incline. (carry the answer to one decimal)There is a picture with a block of mass, M on a inclined plane, the height at the top of the plane is .60 m. Then is shows that the block slides down the incline onto a horizontal plane. How do i find its speed at that moment? Thanks.

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A 0.440-kg blue bead slides on a frictionless, curved wire, starting from rest at point in the figure below, where h = 1.50 m. At point , the blue bead collides elastically with a 0.625-kg green bead at rest. Find the maximum height the green bead rises as it moves up the wire.

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Which of the following statements are true of the structure of organic molecules?

a. Fatty acids are subunits of phospholipids

b. amino acids are the subunits of nucleic acids

c.the subunits of polysaccharides are monosaccharides

d. nucleotides are large molecules mad of DNA or RNA

e. Glucose is the subunit of glycogen

f. Glycerol is a subunit of steroids

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Hospital emergency departments continue to be used as a source of primary medical care by large numbers of the community’s medically undeserved population. What are the implications of this practice for the patients, and on health care costs and quality of care? What would you propose as a means to change this situation from your role perspective? 

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2CrO42−(aq) + 2H+(aq) <—> Cr2O72−(aq) + H2O(l) the reaction favors the reactants because the solution just stayed yellow.”How does he relate to the change,if any, in the color of the solution. include equations for reactions in your explanation.” I’m just not 100% confident on how to do what its asking there.

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The sound level produced by one singer is84.6 dB.What would be the sound level producedby a chorus of 28 such singers (all singing atthe same intensity at approximately the samedistance as the original singer)?

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An insulated beaker with negligible mass contains liquid water with a mass of 0.335 kg and a temperature of 69.1 ∘C .

How much ice at a temperature of -18.3 ∘C must be dropped into the water so that the final temperature of the system will be 29.0 ∘C ?

Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to be 3.34×105 J/kg .

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Which of the following is an incorrect statement regarding the occurrence of a sensation? The stimulus energy must match the specificity of the receptor. The stimulus energy must occur within the receptor’s receptive field. The stimulus energy must be converted into the energy of a graded potential called a transduction potential. A generator potential in the associated sensory neuron must reach threshold.

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**Assignment 3 – Assignment – Final Business Plan

Incorporating your previous two assignments (Business Plan Parts I & II), compile your finished document and include an Executive Summary. ***Remember: The Executive Summary should be 1-2 pages in length and hit all of the main points of your business plan.

I have attached my business plans /part 1 and 2

• Attachment 1
• Attachment 2

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Imagine that you have a 6.00 gas tank and a 4.50 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 135 , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.

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