To neutralize gastric juices in your stomach antacids contain
Answers
To neutralize gastric juices in your stomach antacids contain basic chemicals. The acid in your stomach has a lower pH value. To neutralize this and reach a pH of 7, the antacid must contain a base.
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Answers
PE = (3.7) x (9.81) x (3)
= 108.89 kilogram-meters²/second
= 108.89 newton-meters
= 108.89 joules
Answers
From full-moon to new-moon is half of that.
Answer:
About two weeks (15 days to be exact)
Explanation: Look at this cool emoji thing I did :)
Scroll fast!
Answers
Answer:
4.1. Newton's Third Law of Motion states that for every action, there is an equal and opposite reaction. In other words, when one object exerts a force on another object, the second object exerts an equal force in the opposite direction on the first object.
4.2. Here's a labeled free-body diagram for Block A:
```
T (tension in the string)
↑
│
│
│
│
│
F (applied force)
──→ (direction of motion)
```
In this diagram, "T" represents the tension in the string, and "F" represents the applied force at an angle of 30° to the horizontal. The arrow indicates the direction of motion.
4.3. To find the frictional force acting on block A as it accelerates, we can use Newton's Second Law:
\[F_{\text{net, A}} = m_A \cdot a\]
Where:
- \(F_{\text{net, A}}\) is the net force acting on block A.
- \(m_A\) is the mass of block A (given as 15 kg).
- \(a\) is the acceleration (given as 2.08 m/s²).
Rearranging the equation to solve for \(F_{\text{net, A}}\):
\[F_{\text{net, A}} = 15 kg \cdot 2.08 m/s² = 31.2 N\]
Now, we need to consider the frictional force, which opposes the motion and acts in the direction opposite to the applied force. So, the frictional force is 31.2 N in the opposite direction of motion, making it:
Frictional force on block A = -31.2 N
However, since you want it in magnitude, it's 31.2 N.
4.4. To calculate the mass of block B, we can use the fact that block A and block B are connected by a string, so they experience the same acceleration. Therefore, we can use the following equation:
\[F_{\text{net, B}} = m_B \cdot a\]
Where:
- \(F_{\text{net, B}}\) is the net force acting on block B, which is the tension in the string.
- \(m_B\) is the mass of block B (unknown).
- \(a\) is the acceleration (given as 2.08 m/s²).
We already calculated that the tension in the string is 31.2 N. Plugging in the values:
\[31.2 N = m_B \cdot 2.08 m/s²\]
Now, solving for \(m_B\):
\[m_B = \frac{31.2 N}{2.08 m/s²} \approx 15 kg\]
So, the mass of block B is approximately 15 kg.
Answers
Well, "free-fall" is the condition when the ONLY force on a
falling object is the force of gravity.
Near Earth's surface, that's only true when the object is falling
inside some kind of vacuum chamber.
Any other time, the object is falling through air, and its motion
is affected by air resistance as well as gravity.
The object falling near the Earth's surface is rarely under free fall because of the air resistance experienced by the body.
Explanation:
According to the Newton's law of gravitation, each and every body applies an attractive force on another body kept at a particular distance. This force experienced by the body is directly proportional to the product of the masses of the body and inversely proportional to the square of distance between them.
The Earth also pulls the body towards it by the action of the attractive gravitational force. When a body falls towards the Earth under the action of the gravitational force, it moves with an acceleration. The acceleration of the body when it falls freely under the action of gravity is termed as the free fall.
The earth's atmosphere plays a significant role in the motion of the object as it falls under the gravity. The air resistance experienced by the object reduces the acceleration of the object and therefore, the object is no longer under the free fall.
Thus, The object falling near the Earth's surface is rarely under free fall because of the air resistance experienced by the body.
Learn More:
1. A 30kg block being pulled across a carpeted floor brainly.com/question/7031524
2. Net force acting on a 200kg refrigerator brainly.com/question/7031524
3. Max and Maya are riding on a merry-go-round brainly.com/question/8444623
Answer Details:
Grade: High School
Subject: Physics
Chapter: Acceleration
Keywords:
object, acceleration, gravitation, rarely, free, fall, gravitation, newton's, air, resistance, atmosphere, object.
b. medium.
c. vibration.
d. compression.
Answers
The term 'wave' is used to refer to a disturbance that transfers energy from one place to another. Waves move energy, not matter, over distances.
The correct option is A.
In groundwater, a "wave" refers to the movement of water through porous subsurface materials, such as soil or rock. These waves can be influenced by various factors, including hydraulic gradients, geological properties, and recharge rates. Groundwater waves can propagate both vertically and horizontally, affecting the flow and distribution of groundwater in underground aquifers. Understanding these waves is crucial for managing and sustaining groundwater resources, as they impact water availability, quality, and the overall behavior of aquifer systems, influencing vital aspects of groundwater management and environmental conservation.
A disturbance that transfers energy from place to place is called a wave. Waves move energy, not matter, across distances. An easy example to visualize this concept is if you throw a pebble into a pond. The energy created by the pebble's impact causes ripples, or waves, to move out from the point of impact. In this case, the water itself doesn't travel across the pond - only the energy does. The other terms - medium, vibration, and compression, all play roles in the transmission of waves, but they are not the name for the energy transfer itself. A medium is what a wave moves through (like air or water), a vibration is a type of movement that can create waves, and a compression is a part of a certain kind of wave. However, the correct term for the energy transfer you're describing is 'wave'.
Hence The correct option is A.
Learn more about Wave here:
#SPJ6
Answer: Option (a) is the correct answer:
Explanation:
A wave is defined as the transfer of energy from one place to another and no exchange of matter.
Whereas medium is a substance through which wave or energy can be transported from one point to another.
On the other hand, vibration is the back and froth motion of particles of a substance or matter.
And compression means to bring the particles of a substance together by increasing the pressure.
Thus, we can conclude that a disturbance that transfers energy from place to place is called a wave.
Answers
Answer:
C. work function
Explanation:
In the photoelectric effect, the energy of the incident photon is used in part to extract the electron from the metal (and this energy is called work function) and the rest is converted into kinetic energy of the electron. In formula:
where
hf is the energy of the incident photon, which is the product between h (the Planck constant) and f (the photon's frequency)
is the work function
K is the kinetic energy of the photoelectron as it leaves the material