A rolling ball decelerates at a constant age. If you graphed it’s speed versus time, what would the graph look like? What point would represent its greatest instantaneous velocity?

Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Which of the following is an example of units for speed