B) All nonzero digits are significant.
The answer is radiator >.<
The incident ray will have an angle of reflection of 30 degrees (made with a surface normal to the mirror surface). The reflected ray will make an angle of 60 degrees (90 - 30 degrees) with the mirror surface.
<h3><u>Answer</u>;</h3>
D: 350 N forward
<h3><u>Explanation</u>;</h3>
The Resultant force is defined as the total force acting on a body along with their directions. When the object is at rest or travelling with the same velocity, the resultant force has to be zero.
Force is a vector quantity with both magnitude and direction.
Therefore, the resultant force will be the sum of the forces acting on the table;
Net Force = 200 N + 150 N (since they are acting in the same direction, forward)
<u>= 350 Newtons forward</u>