Plz help An X-ray technician will place a lead cloth over parts of your body when taking an X-ray to protect your cells from bei
ng damaged. Why do X-rays have the potential to harm your body but radio waves do not?
Question 6 options:
a.X-rays have a taller wavelength than radio waves as shown in the diagram, so they are more harmful.
c.Radio waves have longer wavelengths than X-rays and therefore carry more energy than X-rays.
c.Radio waves are shorter than X-rays and therefore weaker in strength..
d.X-rays have a much shorter wavelength than radio waves, and therefore carry more energy that can be transferred to your body.
Question 6 options:
a.X-rays have a taller wavelength than radio waves as shown in the diagram, so they are more harmful.
c.Radio waves have longer wavelengths than X-rays and therefore carry more energy than X-rays.
c.Radio waves are shorter than X-rays and therefore weaker in strength..
d.X-rays have a much shorter wavelength than radio waves, and therefore carry more energy that can be transferred to your body.
2 answers:
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I found this using the app Socratic. When I took physics in high school it helped me so much.
Answer:
F = 2123.33N
Explanation:
In order to calculate the torque applied by the left support, you take into account that the system is at equilibrium. Then, the resultant of the implied torques are zero.
Next, you calculate the resultant of the torques around the right support, by taking into account that the torques are generated by the center of mass of the wooden, the person and the left support. Furthermore, you take into account that torques in a clockwise direction are negative and in counterclockwise are positive.
Then, you obtain the following formula:
(1)
τl: torque produced by the left support
τp: torque produced by the person
τcm: torque produced by the center of mass of the wooden
The torque is given by:
(2)
F: force applied
d: distance to the pivot of the torque, in this case, distance to the right support.
You replace the equation (2) into the equation (1) and take into account that the force applied by the person and the center of mass of the wood are the their weight:
Where d1, d2 and d3 are distance to the right support.
You solve the equation for F and replace the values of the other parameters:
The force applied by the left support is 2123.33 N