a car is rolling backward when its hits the gas . after 8.25 s , it is moving forward at 8.62 m/s , and is 12.9m to the right of its starting point . what was its starting velocity?

The dot diagram represents the motion of the motorcycle as it moves from left to right

What effects result when there is an impact between earth and an asteroid? check all that apply. a.massive flooding. b.extinction of many life forms.c.major earthquakes change in average global temperature.d. giant dust cloud

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=