Questions by Sjoerd Pottuit

Questions by Sjoerd Pottuit

Minh has a number cube. It has a different number on each side: 4,5,6,7,8, or 9. Minh will roll the number cube once. What is the probability he will roll a 5

asked Mar 13, 2021

2 answers

3 votes

129k views

If a 100 gram sample of a radioactive material with a half-life of 10 years decays for 20 years will remain ?

asked Mar 5, 2021

1 answer

1 vote

83.1k views

About 0.1 eV is required to break a "hydrogen bond" in a protein molecule. Calculate the minimum frequency and maximum wavelength of a photon that can accomplish this.minimum frequencyHzmaximum wavelengthm

asked Nov 1, 2020

1 answer

0 votes

99.6k views

After observing a moth that is camouflaged against dark colored bark, a scientist asks a question .?

asked Jun 5, 2020

2 answers

2 votes

195k views

An individual works downtown and pays $600 per month in rent for an apartment located 10 miles from her office. She has calculated that she spends 30 minutes per day driving each way to the office and

asked May 22, 2020

1 answer

4 votes

199k views

Match these machines with their examples. 1. seesaw wedge 2. pencil sharpener third-class lever 3. bottle opener wheel and axle 4. forearm second-class lever 5. nail first-class lever

asked Mar 19, 2020

2 answers

1 vote

181 views

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