According to newtons first law of motion, if you roll a ball in a straight line in an open field, what will happen to the ball? a. the ball will slow down. b. the ball will speed up. c. the ball will not change its velocity. d. the ball will continue on forever.

What is the maximum acceleration of the wing tips, in units of g?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

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=