The asnwer to your question is A
When more than one force acts upon an object, the vector sum of these forces is the resultant force. When the resultant force on an object is zero, it will remain at rest if it is at rest, or continue to move in a straight line at a constant velocity if it is in motion. ... That is, there is zero acceleration.
I would say that it is Meteors, Meteorites, and comets. (METEORS may be wrong)
Answer:
One object has a large mass, and the objects are close together.
Answer:
The work function is
Explanation:
From the question we are told that
The light energy is
The stopping voltage is
Generally work function is mathematically represented as
Where KE is the kinetic energy of the ejected electron and it is mathematically represented as
Where e is the charge on the electron
So
Thus
=>