- Decreasing one of the masses to 1/2 of its original value
- Increasing the distance by a factor of
Explanation:
There are no options provided, however we can still answer the question.
In fact, the magnitude of the gravitational force between two objects is given by the equation:
where
is the gravitational constant
m1, m2 are the masses of the two objects
r is the separation between them
We notice that:
Therefore, in order to reduce the gravitational attraction by one half, we can do one of the following changes:
- Decreasing one of the masses to 1/2 of its original value: for example, if , the gravitational force becomes
- Increasing the distance by a factor of : in fact, if , the gravitational force becomes
Learn more about gravitational force:
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B.mechanical waves
C.electromagnetic waves
D.gamma rays
Answer: The correct option is B.
Explanation:
Acoustic deals with the study of mechanical waves and the mediums through which they travel. It includes sound, infra sound, ultrasound and vibrations.
The mechanical wave is a wave which can travel through a material medium. It can travel through solid, liquid and gases. Sound is the mechanical vibrations of the particles of a gaseous medium.
Therefore, acoustic involves the study of mechanical waves and the mediums through which they travel.
Answer:
An atom that loses a electron is called a cation and has an overall positive charge.
The total pressure exerted by a person when he stands on both the feet is 10000000 Pascals
Explanation:
Given data
Weight of the person= 500 N
Area of the foot= 0.5 m ²/ 100 ×100
To find the pressure exerted we have the formula,
Pressure exerted= force/area
Pressure exerted= 500 ×100×100/0.5
Pressure exerted=10000000 Pascals
The total pressure exerted by a person when he stands on both the feet is 10000000 Pascals
It is called a slope. A slope pointing downwards like this slash \ is considered a negative slope. If a slope pointing upward like this slash / then it is considered a positive slope. What if you had a line on a graph not pointing in either of those directions? If it were pointing straight up like this, | then it would be known as an undefined slope. Last but not least, if you had a line on a graph straight across like this, ____ then it would be zero slope :D
Hope this helps and is a little clear to understand :)