PHYSICS HIGH SCHOOL

What is the main fuel consumed in the core of a red giant?a. H
b. C
c. Fe
d. He

Answers

Answer 1
Answer: What is the main fuel consumed in the core of a red giant?
The main fuel consumed in the core of a red giant is He or helium. The answer is letter D.

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5) A speeding car sees a deer and slams on his breaks. He changes his speed from 30 m/s to zero with anacceleration of-3 m/s/s. How long does it take the car to stop?

Answers

Answer:

space without opposite should be served

Robert is accelerating a cart at the rate of 2.2 meters/second2. If the mass in the cart is doubled, and the net force is also doubled, what is the final acceleration?

Answers

f = ma
double f and m gives
(2f) = (2m)a
notice a is unchanged = 2.2
m/s^2

C)    The Acceleration Is Doubled

Which of the following is a result of reduced levels of red blood cells and elevated levels of white blood cells in the body?

Answers

There are no following but less red blood cells would make you tired because you can carry as much oxygen and more white blood cells could cause infection if the start attacking you. It could also give you bone marrow cancer if there are too many white blood cells.

Which type of tape is used to round sharp edges on splices using larger conductors?a. Friction tape
b. Rubber tape
c. Cotton tape
d. Plastic tape

Answers

Rubber tape is used to round sharp edges

Answer:

Explanation:

the answer is rubber tape not friction tape

What is the acceleration of a car moving along a straight road that increases its speed from 0 to 100 km/h in 10 s? 10 m/s2 100 km/h·s 1 km/h·s 10 km/h·s

Answers

100 - 0 km/ 10 seconds. Divide it and then you will get your answer. Answer : 10km/ seconds

5. Which of the following sets of conditions would result in the highest velocity for a sound wave traveling through air? A. A warm and humid day with a wind moving in the same direction as the sound
B. A warm and dry day with a wind moving in the opposite direction as the sound
C. A cold and dry day with a wind moving in the same direction as the sound
D. A cold and humid day with no wind

Answers

The answer is A. A warm and humid day with a wind moving in the same direction as the sound.

Sound waves travel through a medium such as solid, liquid, or gas. It travels faster when the molecules of its medium are closer together. This is the reason why it travels the slowest through dry air. When air is wet or humid, sound can travel faster because sound travels faster through water.

When sound waves pass through air, the most important factor that affects it is temperature. The higher the temperature, the faster the molecules vibrate. This allows sound waves to travel faster.

The answer is A. A warm and humid day with a wind moving in the same direction as the sound. hope this helps!!!!
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