The diagram shows the trajectory of a ball that is thrown horizontally from the top of a
building. The ball's vertical and horizontal
velocity vectors, along with the resultant
vectors, are also indicated. If the ball takes 4,0 s
to reach the ground, what is the ball's vertical
speed by the time it reaches the ground?

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

Listed below are the measured radiation absorption rates (in w/kg) corresponding to 11 cell phones. use the given data to construct a boxplot and identify the 5-number summary. 1.16 0.85 0.69 0.75 0.95 0.93 1.18 1.17 1.42 0.54 0.57 the 5-number summary is nothing, nothing, nothing, nothing, and nothing, all in w/kg. (use ascending order. type integers or decimals. do not round.)

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge