Answer:
Mammography is the process in which low energy radiations are used to diagnose and screening. The purpose of this process is the early detection of the breast cancer. These low energy radiations may have some risks like damaging and burning of cells.
In the current scenario, woman is apprehensive because she has read about the risks of using ionizing radiations. The radiographer should tell her the benefits of the mammography will outweigh its potential consequences. Screening, for instance, will let her know if she is suffering from breast cancer. Cancer is very dangerous disease as compare to very small burning.
In this way radiographer should handle the situation.
Answer:
The time taken for the sound wave to make the round trip is 0.16 s.
Explanation:
Given;
distance traveled by the sound wave, d = 120 m
bulk modulus of sea water, B = 2.3 x 10⁹ N/m²
density of sea water, ρ = 1022 kg
The speed of the wave is given by;
Speed is given by;
total distance of the round trip = 2 x 120m = 240 m
Time taken for the sound wave to make the round trip is given by;
Therefore, the time taken for the sound wave to make the round trip is 0.16 s.
that statement is true
a Third class lever applied when the effort place between the load and the fulcrum.
For example, in a forearm serve
Fulcrum : The elbow
Effort : The effort that putted by the biceps muscle
Load : The arm
<span>For us to know the mass of ball 2, we will be
using the law of momentum conservation which is the momentum before collision
and the momentum after collision (m1</span><span>v1</span>+<span><span>m2</span><span>v2</span>=</span><span><span>m1</span><span>v1</span>+</span><span><span>m2</span><span>v2</span></span>):
(10×20<span>) + (</span>m<span>×−</span>20<span>) = (</span>10<span>×−</span>40<span>) + (</span>m×0)
<span>200 </span>− 20m <span>= −</span>400
<span>Since we are looking for “m” which is the mass of
ball 2, derivation will be needed.
Then:</span>
m <span>= (−</span>400−200<span>) / (−</span>20<span>) = </span>30<span>kg</span>
<span>Therefore, it is concluded
that the mas for ball 2 is 30kg.</span>