A 30kg shopping cart is pushed down an aisle and travels at a velocity of 2m/s. Calculate the momentum of the shopping cart. Your

In a good thermo flask the main cause of heat loss is

The ph is the a.independent variable b.the dependent variable c.control group

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=