A 50-ft rope weighing 35 pounds hangs from the ceiling of a 100-ft tall warehouse. Attached to the bottom of the rope is a 50 lb. weight. Find the work necessary to raise the rope and the weight to the ceiling.

Q: Are some types of cancer more sensitive to radiation than others? If so, what makes them more…

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Q: One of the biggest advantage of fusionover fission as a source of energy is that fusion is an…

A: Since, fusion does not create any long lived radioactive nuclear waste harmful for living organisms…

Q: A square insulating sheet 80.0 cm on a side is held horizontally. The sheet has 4.50 nC of charge…

A: Given Area a     = 80.0 cm = 0.8 m Charge q = 4.50 nC = 4.5×10-9 C Find the electric field at a…

Q: An electron that has a velocity with x component 1.6 × 106 m/s and y component 3.4 x 106 m/s moves…

A: Given: The x component of velocity is 1.6×106 m/s The y component of velocity is 3.4×106 m/s The x…

Q: What is the use of RHR-2?

A: The RHR-2 is the rule that is used to find out the direction of magnetic field created by a long…

Q: 2. A travelling sinusoidal wave has this equation: y(x, t) = 0.0450 m sin(25. 12 m-1x-37.68s-1t -…

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Q: If a consumer product contains nanoparticles or is manufactured/packaged through nanotechnology, is…

A: Nanotechnology is used in many technologies and industry sectors such as medicine, transportation,…

Q: identify the carbon peaks of ester C-NMR

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Q: How can Hydrogen cars help the eviroment

A: Hydrogen is helpful for us.

Q: Analog Circuit Analysis Calculate the total Resistance seen by the Battery 70 2 26 2 60 2 100V…

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Q: 1. A travelling wave is represented by the function: y(x, t) = 0.009 m sin (1.2 m-1x – 5.0s-1t) Find…

A:

Q: How X-ras work?

A: X-Rays: Electromagnetic radiation is defined as a wave-like form of radiation that contains both…

Q: Use the exponential decay model, A = A0 ekt to solve this exercise. The half-life of the…

A: Given data: The half-life of the tranquilizer Xanax in the bloodstream is t=36 hr. It is given…

Q: 1. Direction: Solve and analyze the following problems: 1. How much energy is lost by 20 kg copper…

A: 1)

Q: What Isotope of uranium exist? 2What isotope of uranium is used in the CANDU process?

A: Uranium is a silvery-white metallic element in the periodic table with atomic number 92. A uranium…

Q: a) Define the term “radioisotope”. b) Define the term “radiopharmaceutical”.

A: The problem is based on the concept of radioisotope and radiophramaceutical. Thease are Medical…

Q: What are cobalt gamma rays? Give their uses.

A: Cobalt-60 at higher excited states converts to Nickel-60 by beta emission to stabilize itself.…

Q: How much ionising radiation is needed to get infertility? Explain how will it cause you infertility?

A: Radiation therapy to the reproductive organs as well as radiation near the abdomen, pelvis, or spine…

Q: 10. Discuss some factors you need to consider when the activity is lower than the MDA?

A: When the activity is lower than the minimum detectable activity (MDA), there are several factors…

Q: PROBLEM SO How much potential enery straight up? A basketball of mass 0.04 a height of 3.00 m. On…

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Q: A Filing station uses a Venturi tube to measure the flow rate of gasoline. The density of the…

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Q: Give a long brief explanation and introduction for nucleosynthesis.

A: Solution: explanation on nucleosynthesis

Q: 1. Directions: Solve the following heat engine work done related problems. 1. During a cyclic…

A: Solution:-Given that(1) Cyclic process;Heat Absorbed by the heat engine (Qabs)=350JHeat ejected by…

Q: If 545 g of tissue receives 7 Joules, how many Grays are absorbed?

A: Given: The mass of the tissue is m = 545 g The energy received by the tissue is E = 7 Joules

Q: Part A Let #₁, #2, and 3 be the atoms' positions measured from their equilibrium positions. First,…

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Q: Annealing is a high temperature process that must be performed after the wafer has undergone the ion…

A: Concept: Annealing is a treatment of a metal or alloy that involves heating to a predetermined…

Q: Using fusion splicing explain in detail the processes

A: To explain the fusion splicing is given below.

Q: Do you think it is signifi cant that the nucleus has a hard core? What would happen if it did not?

A: Given: An explanation of significant of nucleus is having a hard core as,

Q: Imagine that you take a cell and add some radioactive cytosine nucleotides. You let it replicate…

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Q: What element results if you add a pair of protons gto the nucleus of mercury?

A: Number of protons n in an element of mercury is 80

Q: If you have a 450 mircocoulomb charge attached to an element how many excess protons would you…

A: Given: The charge on the element is 450 μC.

Q: Francium-223hasahalf-lifeof21.80min. i.…

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Q: Which interactions act on proton in you?

A: Concept used: Proton is a nucleon. It is a baryon made up of three quarks.

Q: In preparation for an MRI scan, why are patients advised to remove eyeglasses, watches, jewelry, and…

A: MRI means magnetic resonance imaging.

Q: What happens when gamma radiations are passed through a magnetic field?

A: Gamma particles will not get affected by the electric field, because, it is charge-less particles.

Q: my question was also how did we get alpha to begin with so that we can substitute it

A: Derivation of projectile motion in 2D is given. It is asked that how did we get alpha to begin with…

Q: | Calculate the binding energy of the helion (³He nucleus).

A: