science-6th grade
what is between the helium particles in a helium filled balloon?
4th grade math
whats1=1
College Physics
A mass of 0.4 kg, hanging from a spring with a spring constant of 80 N/m, is set into an up-and-down simple harmonic motion. What is the velocity of the mass when at its maximum displacement of 0.1 m?
College Physics
A multiple loop configuration is rotating at 60 Hz in a magnetic field of 0.12 T. The coil has an area of 0.0052 m2. How many coil loops are required to produce a maximum voltage difference of 170 V?
Chemistry
I conducted a simple titration experiment and i need to write how and why are the results reproducible can some one hlp me in answering this. Thankyou C.
Science
I have my results from a simple titration experiment (sodium carbonate against hydrochloric acid) Average titre of 53.27 cm3 which i am happy with but how can i reason that my results are accurate?
Periodic Table
Hello all, how does the periodic table determine the type of bonding of compounds Cheers Charlie.
Science (Bonding)
thankyou, srajmcgin
Physics, relativity
Thanks Drwls, but that's the press release I spotted the error in. I think!
Physics, relativity
I read this in a write-up of an experiment using atomic clocks: To reveal these effects, required the use of highly accurate atomic clocks, calibrated to check that they are perfectly in sync with each other – ticking down the nanoseconds (that's one billionth of a se...
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