A person lifting a chair is converting chemical energy to mechanical energy.
The pressure needed in PSI = Pounds of force needed divided by the cylinder Area
The Cylinder rod Area is 21.19 sq inches
Thus, the pressure= 6800/21.19
= 320.91 PSI
A bathroom scales works due to gravity. Under normal
conditions, a reading can be obtained when your body is pushing some force on
the scale. However in this case, since you and the scale are both moving
downwards, so your body is no longer pushing on the scale. Therefore the answer
is:
<span>The reading will drop to 0 instantly</span>
The brick, even though the brick would end up traveling faster, it most likely has a larger surface area therefore it would have more air resistance.
Answer:
Radiation therapy
Explanation:
Her doctor is more likely to use radiation therapy to irradiate the cancerous cells on the skin. The doctor uses soft x-rays to kill the cancer cells. The therapy is used even after surgery as it has the advantage of delaying the advancement of future cancers.
