A ball is released from a hot air balloon that is moving upward at a constant speed of 5 m/s. Which of the following statements correctly describes the motion of the ball, assuming no air resistance?
[IGCSE / IB Physics] A metal wire has a resistance R. A second wire of the same material is made with three times the diameter but the same volume as the original wire. What is the resistance of the second wire?
[IB / AL Bio] In a population, 1 in 2,500 individuals is born with cystic fibrosis, a recessive genetic disorder. Assuming the population is in Hardy–Weinberg equilibrium, calculate the percentage of individuals in the population who are carriers of the allele for cystic fibrosis.
Even Pigs can Learn Mathematics and Science
A ball is released from a hot air balloon that is moving upward at a constant speed of 5 m/s. Which of the following statements correctly describes the motion of the ball, assuming no air resistance?
4 weeks ago | [YT] | 0
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Even Pigs can Learn Mathematics and Science
[IGCSE / IB Physics] A metal wire has a resistance R.
A second wire of the same material is made with three times the diameter but the same volume as the original wire. What is the resistance of the second wire?
4 months ago | [YT] | 2
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Even Pigs can Learn Mathematics and Science
A game show has three boxes:
One contains $10,000
Two contain nothing
You choose Box A.
The host, who knows what’s inside each box, opens one of the other two boxes and shows that it is empty.
The host then says:
“You may stay with Box A, or switch to the remaining unopened box.”
Should you switch or stay to maximize your chance of winning the $10,000?
5 months ago | [YT] | 0
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Even Pigs can Learn Mathematics and Science
What courses are you taking now?
5 months ago | [YT] | 0
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Even Pigs can Learn Mathematics and Science
[IB CHEM SL/HL or others] Which of the following method can be used to measure the rate of reaction between magnesium and hydrochloric acid?
5 months ago | [YT] | 0
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Even Pigs can Learn Mathematics and Science
[IB CHEM HL or others] How many alcohol isomers can you make with the molecular formula C₄H₁₀O?
5 months ago | [YT] | 0
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Even Pigs can Learn Mathematics and Science
[IB CHEM HL/SL or others] What is the approximate pH of 1×10⁻¹³ mol·dm⁻³ HCl?
5 months ago | [YT] | 1
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Even Pigs can Learn Mathematics and Science
[IB Math AA SL/HL] If g(x) = f(ln(2x+1)) where f(0) = 3 and f'(0) = 4, find g'(0).
5 months ago | [YT] | 1
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Even Pigs can Learn Mathematics and Science
[IB Chemistry HL] What is the molecular geometry of xenon tetrafluoride (XeF4)?
5 months ago | [YT] | 0
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Even Pigs can Learn Mathematics and Science
[IB / AL Bio] In a population, 1 in 2,500 individuals is born with cystic fibrosis, a recessive genetic disorder.
Assuming the population is in Hardy–Weinberg equilibrium, calculate the percentage of individuals in the population who are carriers of the allele for cystic fibrosis.
5 months ago | [YT] | 1
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