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:
173.99 centimeters
Explanation:
multiply the length value by 2.54
Very very roughly, an Earth month.
The Sun isn't solid, so it doesn't all have to rotate at the same rate. Different latitudes actually rotate at different speeds. One complete rotation is about 24 days at the Sun's equator, but 35 days near the poles !
Answer:
Explanation:
Given
Two springs with spring constant
and 
(a)If they are stretched using the same force
Force 
where
and
are the extension in the spring
so 
therefore 
Work done is given by



thus 
(b)If they are stretched the same distance

Thus 
For same extension, work done by Force 1 is more
The statement above is TRUE.
When analyzing forces it is permitted to break the motion and forces into horizontal and vertical components. This is especially true for two dimensional projectile motion, in order to simplify the calculation, the forces and the motion has to be broken down into horizontal and vertical components. The vertical component is affected by the force of gravity while the horizontal component is not affected by gravity for short displacements. With greater displacement, the force of gravity comes into play.