Find how many protons are absorbed by the tumor

Reference no: EM13559239

A cancer patient is undergoingradiation therapy in which protons with an energy of 1.2 MeV areincident on a 0.25 kg tumor.

(a) If the patient receives aneffective dose of 1.0 rem, what is the absorbeddose?

(b) How many protons are absorbed by the tumor?Assume QF = 1

Reference no: EM13559239

Questions Cloud

Calculate what is the density of the block : A solid block is suspended from a spring scale. Whenthe block is in air the scale reads 34.7 N, when immersed inseawater the scale reads 30.1 N, What is the density of the block

Determine poissons ratio and the new length : The aluminum block has a rectangular cross section and is subjected to an axial compressive force of 8kip. If the 1.5-in side changed its length to 1.500132 in., Determine Poisson's ratio and the new length of the 2-in side. E = 10(10^3)ksi

Design a hollow steel shaft with an inside diameter : Design a hollow steel shaft with an inside diameter 1/3 that of the outside diameter. The shaft transmits 200 kW at a speed of 20 Hz. The allowable shearing stress is 55 MPa, and the allowable angle of twist is 1 degree per meter of length.

Estimate the capacity of the existing system : You meet with a potential client to discuss a land development project. Your client wants to know the capacity (in cfs) of the existing water supply system serving the area With a 450-ft pipeline

Find how many protons are absorbed by the tumor : A cancer patient is undergoingradiation therapy in which protons with an energy of 1.2 MeV areincident on a 0.25 kg tumor. How many protons are absorbed by the tumor

What would the height be after it was consolidated into this : There is a perfectly uniform soil that is an assemblage of spheres of equal diameter. A 1m thick layer of this soil is packed so that it is as loose as possible (void ratio, e_max ~= 0.9),

Calculate total co2 emissions from two polices : Two changes to the CAFE standard for US automobiles are being considered. A more conservative increase from 27.5 mpg in 2011 to 35 mpg by 2020 is supported widely in Washington. California and 13 other states + the District of Columbia hope to increa..

How much of a reduction in the automobile emission rate : How much of a reduction in the automobile emission rate would be required to achieve the maximum eight-hour average NAAQS for CO at steady state 9 ppmv ( (10.3 mg/m^3)?

Obtain from what height above ground was the marble thrown : A marble is thrown horizontally with a speed of 13 m/s from the top of a building. From what height above the ground was the marble thrown

User Account

All Pages