<!--br {mso-data-placement:same-cell;}--> If we know the x and y-coordinate of an object, then we can pinpoint the position of it.

Q. <!--br {mso-data-placement:same-cell;}--> If we know the x-coordinate of an object, then we can pinpoint the position of it.

Q. How can we know that , an object is having a'' positive charge" or " negative charge"??
How ca we measure it ??

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> How would we know that we have achieved total justice and equality?

Q. If we know the magnitude of force and mass of the object, we can determine________ of the object.

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> We can only see those objects that emit light.