Answer:
The value is 
Explanation:
From the question we are told that
The speed of each train is 
The speed of the bird is 
The distance between the trains is 
Generally the time taken before the collision occurs is mathematically represented as
=> 
=> 
The total distance covered by the bird is mathematically represented as
=> 
=>
Answer:
So as the mass of either object increases, the force of gravitational attraction between them also increases. If the mass of one of the objects is doubled, then the force of gravity between them is doubled. If the mass of one of the objects is tripled, then the force of gravity between them is tripled.
Explanation:
Answer:
C. Dehydration is the word describing too little body fluids
The answer is B, because when the frequency increases the wavelength becomes half the length it was before.
