Apoint source discharges organic waste into a stream. which of the following graphs best depicts the expected pattern for dissolved oxygen (do) in this stream as a function of distance from the discharge point? a. e
b. d
c. b
d. c
e. a

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?