A person holds a rifle horizontally and fires at a target. The bullet leaves the muzzle of the rifle with a velocity of 420 m/s. Two seconds later the person hears his bullet strike target. What is the distance between the shooter and the target ? ( Given , temperature = 25 ° C )

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

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=

Contains chemical energy. a. heat b. light c. natural gas