Question

Give reason for the following statement
1)An object may appear moving to one person and at rest to another person at the
same time.

Answer 1

An object may appear to be moving by one person and to be at rest by another person at same time based on the frame of reference both the persons are located. According to theory of relativity, the person may see the different state of motion of the object compared to the person in the object's frame of reference.