Physics, 15.01.2020 00:31 camillexv2668
Which substance is used to remove rust from metal?
a: lye (naoh)
b: hydrochloric acid (hcl)
c: ammonia (nh3)
d: sulfuric acid (h2so4)
Answers: 2
Physics, 22.06.2019 03:00
Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.
Answers: 2
Physics, 22.06.2019 11:00
Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
Answers: 1
Physics, 23.06.2019 09:00
1,990,000,000,000,000,000,000,000,000,000 in scientific notation
Answers: 1
Which substance is used to remove rust from metal?
a: lye (naoh)
b: hydrochloric ac...
a: lye (naoh)
b: hydrochloric ac...
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