There are free body diagrams in the picture, number (#). which of the diagram(s) shows an object at rest on a table? 2 and 3 3 only 2 and 4 2 only

Only #2 represents an object at rest on a table.

In #1, there is no normal force due to the table; the object is accelerating downward.

In #3, the vertical forces are not balanced; the object is accelerating downward.

In #4, neither the vertical nor the horizontal forces are balanced. The object is accelerating upwards AND to the right.

false.

explanation:

this statement is false. after falling for 5 seconds, its speed will not be 100 m/s.

answer: the correct answer for the fill in the blank is rods.

rods are the specialized photoreceptor cells that are present in the retina of human eye. they are responsible for vision in the night time ( also called scotopic vision). they have very low visual acuity and color distinguishing ability.

as they are responsible for vision in night time, therefore they are found predominantly in the nocturnal animals.