PHYSICS HIGH SCHOOL

A pendulum is swinging back and forth with a period of 2.0 seconds here on Earth. This pendulum is then brought to the Moon, where the acceleration due to gravity is much smaller. What will happen to the period of the pendulum, assuming everything else about it (mass, length, initial swing height, etc) remains exactly the same? Explain your answer.

Answers

Answer 1
Answer:

Answer:

A greater period.

Explanation:

The period of a simple pendulum is given by the following formula:

T = 2\pi \cdot \sqrt{(l)/(g) }

Where:

l - Length of the pendulum

g - Gravity constant

Since acceleration due to gravity is smaller in the Moon, period will be greater.

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What is the resistance of a lightbulb that draws 0.5 A when it is plugged into a 120-V outlet?

Answers

Answer: 4

Explanation: Trust me

What is the French word for shepherds crook

Answers

The answer would be:

Houlette de berger.
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Brody and Ethel are arguing about waves. Brody says that waving his hand back and forth is a scientific wave. Ethel says that it is not. Which statement best describes who is correct? -Brody is correct because the wave involves an input of energy. -Ethel is correct because energy is not carried from one place to another. -Brody is correct because the pattern repeats. -Ethel is correct because the motion has no pattern. Also... Khalad is measuring the amplitude of a wave. What can be known about this wave? -It is a sound wave. -It is a transverse wave. -It is an electromagnetic wave. -It is a mechanical wave.

Answers

In the first question, the answer would be the statement 'Brody is correct because the wave involves an input of energy'. The hand wave involves an input of energy and this energy is repeated and is carried from one place to another. 

For the next question, the answer would be 'it is a transverse wave' because all are transverse waves. 

Answer:

Ethel is correct because energy is not carried from one place to another.

It is a transverse wave.

Explanation:

During the propagation of waves from one point or place to another, energy is being transferred. Thus, when one's hand is being waved, there is no transfer of energy from one point to another. Therefore, Ethel is right while Brody is wrong.

A transverse wave is known as a type of wave that the direction of propagation is perpendicular to the vibration of the medium. Therefore, the wave is a transverse wave.

Which statement best describes an antacid? a)An antacid increases the amount of hydrogen ions b)An antacid neutralizes excess hydrogen ions. c)An antacid decreases the level of hydrogen ions.

Answers

Answer:

The correct answer is option A, An antacid neutralizes excess hydrogen ions.

Explanation:

Antacid neutralizes the acid in the stomach. These are bases/ alkali's. The reaction between an acid and a base in known as neutralization thereby reducing burning sensations produced by the acid.  

The antacid when reaches the stomach form gel like composition that lie on the top of food item in the stomach and prevent the oesophagus from the irritation caused by the acid.  

Answer: option A

Explanation: ur welcome

A baseball on a T-ball stand has no momentum until it is hit with a bat. When Tyler swings the bat, it has a momentum of 12 kg m/s. After the bat hits the ball, the ball has a momentum of 8 kg m/s. What is the momentum of the bat AFTER it hits the ball

Answers

Answer:

4 kg m/s

Explanation:

According to the Law of Conservation of Momentum, the total momentum must be the same before and after a collision. The total momentum before the bat hit the ball was 12 kg m/s. After the collision, the ball has a momentum of 8 kg m/s. Therefore, the bat must have a momentum of 4 kg m/s.
positive direction : bat swing

total momentum before = after
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Answers

Answer:

Positive

Explanation:

Answer:

positive

Explanation:

i'm reallt sorry if I'm wrong

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