A solution with a pH of 8 is
a. strongly acidic.
b. weakly basic.
c. strongly basic.
d. weakly acidic.
b
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Air with a density of 1.20 
flows through a 75.0 cm diameter pipe with a velocity of 2.00 m/s. What is the mass flow rate?
A. 0.95 kg/s B. 1.06 kg/s C. 1.20 kg/s D. 1.26 kg/s E. 1.48 kg/s
Two balls are thrown off a building with the same speed, one straight up and one at a 45° angle. Which statement is true if air resistance can be ignored?
(a) Both hit the ground at the same time. (b) Both hit the ground with the same speed. (c) The one thrown at an angle hits the ground with a lower speed. (d) The one thrown at an angle hits the ground with a higher speed. (e) Both (a) and (b).
The longest stage in the life cycle of a star is as a(n) ________ star
Fill in the blank(s) with correct word
Consider a solid object which is subjected to a net torque. That object will experience which of the following?
A) a linear acceleration and an angular acceleration B) an angular acceleration C) a constant angular velocity D) a changing moment of inertia