PHYSICS HIGH SCHOOL

What happens to an earthquake's S-waves when they strike the core?A) They bounce off
B) They are absorbed
C) The change into P-waves
D) They change into L-waves

Answers

Answer 1
Answer:

Answer:

B) They are absorbed

Explanation:

B is correct because S waves can only travel through solid materials.  When they hit liquid materials they are absorbed in and undetectable.
Answer 2
Answer:

Answer:

B) They are absorbed

Explanation:

When they hit the liquid core, S-waves are no longer able to be detected. While P-waves bounce off the liquid core, S-waves are absorbed at the core.

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Is it possible to get a body accelerated even if it is moving with uniform speed? justify.​

Answers

Answer:Yes, A body can have constant speed but still accelerate as in case of uniform circular motion. In uniform circular motion speed remains constant and direction of velocity changes with every point in the direction of tangent drawn from that point.

Explaination:

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Ixchelt burns her tongue when she takes a sip of hot coffee from her mug. Which part of this example represents heat?

Answers

This question comes along with four answer choices:

a) the thermal energy moving from the coffee to her tongue

b) the thermal energy moving from her tongue to the coffee

c) her coffee

d) her tongue

Answer: a) the thermal energy moving from the coffee to her tongue.

Explanation:

Heat, heat energy and thermal energy are terms to refer the same thing.

Heat is the kinetic energy of the molecules or particles in a substance wich is transferred from hot substances to cool substances.

In the example, the coffe is hot and Ixchelt's tongue is cool, so the heat is the thermal energy transferred from the hot coffe to Ixtchel's tongue.

The thermal energy (heat) always flows from the hot to the cold, never the other way around.

Answer:

A

Explanation:

A is the answer

Define SI systems of units

Answers

Answer:

the system of measurement accepted by theinternational convention of scientists held in france in 1960 is called si systems of units

Generally, what will happen to most liquids if the temperature is increased?a. The triple point will drop.
b. The solubility of the liquid will increase.
c. The solubility of the liquid will decrease.
d. The solubility will not change because the solubility of liquids is never affected by temperature.

Answers

Answer:

solubility increases

Explanation:
Temperature doesn't really affect solubility on liquids so it can only be D besides it's already a liquid....

Ask a questioWhat are powers called that the framers of the Constitution felt existed and were expected to be held by the national government due to historical precedence and common practice?a. expressed
b. implied
c. intended
d. inherent n here.

Answers

The powers that the framers of the Constitution felt existed and were expected to be held by the national government due to historical precedence and common practice were called D) inherent. 

A cat is being chased by a dog. Both are running in a straight line at constant speeds. The cat has a head start of 3.8 m. The dog is running with a speed of 8.9 m/s and catches the cat after 6.0 s. How fast did the cat run?

Answers

In 6 secs, the dog covers-
S=vt
8.9*6 = 53.4 m.
In the same time, the cat covers, 53.4-3.8 = 49.6 m.
Thus, speed of the cat, v= s/t, 
= 49.6/6 = 8.267 m/s
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