Explanation:
The orbit of the planet is considered to be stable and does not change over time. This means that the force of gravity and inertia are perfectly balanced. Leading to forward motion of Planet and moons under force of gravity of some other large body(Most probably stars).This is in turns leads to formation of orbit.
Answer:
(E) It would increase by a factor of 2.
Explanation:
Maximum speed (v) is given by:

Where ω is the angular frequency and A is the amplitude.
The angular frequency of a spring-mass system is given by:

Where k is the spring constant and m is the mass of the block attached to the spring.
Therefore, maximum speed can be written as:

Since mass and amplitude are constant values, a relationship between maximum velocity and spring constant can be defined as:

There is a linear relationship between maximum velocity and the square root of the spring constant. Therefore if the spring constant is increased by a factor of 4, the velocity is increased by a factor of the square root of 4, which is 2.
The answer is (E) It would increase by a factor of 2.
Answer:0miles
Explanation:
Since they are moving opposite direction we say
Displacement =773-773
Displacement =0miles
Answer:
A. Technician A
Explanation:
As we know that ,engine generate a huge amount of energy in the inside the combustion cylinder .Only some amount of energy is used for the power consumption and remaining energy rejected to the surrounding ,That is why it become very important to provide proper cooling for the engine cylinder.By maintaining the proper cooling the engine cylinder can save from the high thermal stresses.
Generally water is used for the cooling for large size engine like truck ,bus tractor etc but for the small size engine ,air is used to for cooling of the engine.
That is why only technician A is correct.