Answer:
See explanation
Explanation:
We know that the momentum of a body is defined as the product of mass and velocity of the body.
Let us now obtain the momentum for each item on the list;
Football player = 100 * 10 = 1000 Kgms-1
Skier = 60 * 20 = 1200 Kgms-1
Frog = 0.9 * 12 =10.8 Kgms-1
Meteorite = 0.1 * 1000 = 100Kgms-1
Base ball = 0.14 * 30 = 4.2 Kgms-1
Satellite = 3000 * 8000 = 24000000 Kgms-1
Steel ball = 2.0 * 2.8 = 5.6 Kgms-1
The
answer is c. shear
When earthquakes occurs, rocks are constantly exposed to forces
known as stress which cause deformation of rocks that tend to bend, twist, or
fracture them. The respond to stress that result to changes in shape, size, or
volume are referred to as strain.
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<span><span>
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If stress act
equally from all directions, the applied force is a uniform stress. However,
if stress is not equivalent from all directions then it is a
differential stress. Moreover, there are various kinds of differential stress namely,
tensional stress that causes the rock to stretch, the compressional stress
that squeezes the rock and the shear stress which is a consequence of
slippage, twisting or transformation of rocks.
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Answer:
A.
Explanation:
The vaccine is dead/weakened pathogens injected to cause antibodies. These antibodies will recognize the pathogens if they see them and fight them off.
Hope this helped! Good luck!
Answer:
The one who determines the gender of a new baby is the father, since he is the carrier of the X and Y sex chromosomes.
Explanation:
The sex chromosomes X and Y are called sex determinants, since the sex of the offspring depends on them:
- <em>XX</em><em> corresponds to the female sex.
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- <em>XY</em><em> corresponds to the male sex.
</em>
A mother can only provide her offspring with X chromosomes, while the father can provide both X and Y chromosomes, so he is the one who determines the sex of a new child. In this case, the possibility of having a male or female child will always be 50:50
Answer: D. regulate the thalamus
Explanation:
The most important functions of the hypothalamus is to link the nervous system to the endocrine system by way of the pituitary gland. It's located at the base of the brain, near the pituitary gland. The hypothalamus is located below the thalamus and it's very small . The hypothalamus plays a crucial role in many important functions and is responsible for the regulation of certain functions including: releasing hormones and regulating body temperature.Regulating the thalamus is not a function of the hypothalamus.