Answer:
Hey
The thickness of a planet's atmosphere determines the tempature. the reason why is because gas traps or reflects light. Gass molecules generally reflect light which means that photons bounce of gass molecules. But the space between these molecules allows most of the light to travel through and hit the planet.
Answer:This Answer is B
Explanation:
Longitudinal waves have the same direction of vibration as their direction of travel. This means that the movement of the medium is in the same direction as the motion of the wave. Some longitudinal waves are also called compressional waves or compression waves.
Answer:
It is a weighted average of the masses of an element’s isotopes.
Explanation:
The best definition of the atom mass of an element is that it is a weighted average of the masses of an element's isotopes.
- Isotopes of an element have the same electronic configuration but differ in only their masses.
- The atomic mass of an element can be derived from the geonormal abundances of this isotopes.
- It is the average of all the isotopes of an element.
Atomic mass = ∑m
a
where m is the mass of the isotope i
a is the abundance of the isotope i
Answer:
net force=16
It is a balance force
There Dog will move forward
Explanation:
net force=32-16
net force=16N
It is a balanced force
The dog will move forward since the force the dog is applying is larger than Simone's force
Answer:
Main Difference Between Mechanical and Electromagnetic waves
A wave is composed of some kind of disturbance that propagates. We can classify waves into many different types based on their properties. One of the properties of the waves depends on whether they need a medium to propagate or not. The primary difference between electromagnetic and mechanical waves is also based on this property. Mechanical waves need a medium, while electromagnetic waves do not need a medium to propagate. Electromagnetic waves can travel through a vacuum. The other differences between mechanical and electromagnetic waves are given below:
Electromagnetic waves can travel through a vacuum, that is an empty space, whereas mechanical waves cannot. They need a medium to travel such as water or air. Ripples in a pond are an example of mechanical waves whereas electromagnetic waves include light and radio signals, which can travel through the vacuum of space.
Mechanical waves can be classed as elastic waves because their transmission depends on the medium's (water, air etc.) elastic properties.
Electromagnetic waves are caused because of the varying magnetic and electric fields. They are produced by the vibration of the charged particles.
Because of these differences, the speed of each type of wave varies significantly. Electromagnetic waves travel at the speed of light but mechanical waves are far slower.
Have a wonderful day!
~Lillith of brainly~
