The substances formed in a chemical reaction are called the ______________
Fill in the blank(s) with correct word
products
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Which of the following planets' average density is closest to that of Earth?
A) Mercury B) Mars C) Venus D) Neptune
An inductor has a current I(t) = (0.500
A) cos[(275 s-1)t] flowing through it. If the maximum emf across the inductor is equal to 0.500 V, what is the self-inductance of the inductor? A) 4.37 mH B) 3.64 mH C) 2.75 mH D) 0.73 mH E) 1.43 mH
What is the scientific status of astrology today?
A) Although astrology is implausible on general theoretical grounds, there is real observational evidence for it. B) It is implausible on general theoretical grounds, and there are no scientific observations to support it. C) Although it is theoretically plausible, and although real observational evidence exists for it, most scientists still will not accept astrology because it seems too unconventional or "kooky." D) Although there is no real observational evidence for this phenomenon, astrology is theoretically plausible. E) Astrology is plausible on general theoretical grounds, and there is also real observational evidence for it, which is why most scientists believe that astrology has real validity.
A motorcycle daredevil wants to ride up a 50.0 m ramp set at a 30.0° incline to the ground. It will launch him in the air and he wants to come down so he just misses the last of a number of 1.00 m diameter barrels. If the speed at the instant when he leaves the ramp is 60.0 m/s, how many barrels can be used?
a. 79 b. 318 c. 332 d. 355 e. 402