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Lexa
Questions (8)
I am a bit cunfused about pulleys , can anyone please explain.
1 answer
181 views
25 is 25% of what number?
1 answer
189 views
Consider a standard deck of 52 playing cards with 4 suits.
What is the probability of randomly drawing 1 card that is both a red
7 answers
2,690 views
A particle at the Large Hadron collider in CERN is moving at 0.99 c as it emerges from a collision event.
A) If these particles
0 answers
503 views
Laser light of wavelength 550 nm falls upon a diffraction grating. The slits are 25 micrometers apart and each have a
width of 2
0 answers
686 views
if 6.5kJ of energy are added to 56.4g sample of iron at 24 degrees C what is the final temperature of the iron? The specific
1 answer
623 views
The reaction of fluorine with ammonia produces dinitrogen tetra fluoride and hydrogen fluorida.
5F2(g)+2NH(g)---> N2F4(g)+6HF(g)
1 answer
1,100 views
How many grams of Mg are needed to react completely with 3.80 L of a 2.50 M HF solution?
Mg + 2HF --> MgF^2 + H^2
1 answer
1,192 views
Answers (3)
A particle at the Large Hadron collider in CERN is moving at 0.99 c as it emerges from a collision event. A) If these particles live 2.0 microseconds on average when they are at rest, how long would you expect this particle to last in the reference frame
Early Earth was a Open System because energy and matter (light energy) and meteors where bombing the Earth
to calculate your square feet, you multiply 24 by 19. You will get 456 sq ft.
