12/19/22

A bucket of water of mass 30 kg is pulled at a constant velocity up to a platform 30 meters above the ground.

A bucket of water of mass 30 kg is pulled at a constant velocity up to a platform 30 meters above the ground. This takes 18 minutes, during which time 2 kg of water drips out at a steady rate... more
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12/18/22

Approximate the gravitational force of attraction between a 59.0 kg girl and a 61.0 kg boy if they are sitting 2.5 m apart in physics class.
*Notice how small the answer is. The boy and girl are certainly not very attracted to each other. This is why the gravitational force between objects is normally ignored when drawing free-body... more
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12/18/22

Amon is purchasing new window blinds for his home.
Lowes charges $5 per window blind and an additional $55 as an installation fee. Home Depot charges $9 per window blind with an additional $20 as an installation fee.Part 1: Which store would charge... more
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12/18/22

MaryBeth has a job selling postcards.

She earns $8 an hour. MaryBeth also gets paid $12 an hour for every hour of overtime. Overtime hours are any hours more than 40 hours for the week. Part 1: Write an equation that shows the amount... more
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12/18/22

Question using potential energy of a spring
I found this question in my textbook:A spring of negligible mass has force constant k = 800 N>m. (a) How far must the spring be compressed for 1.20 J of potential energy to be stored in it? (b)... more
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12/17/22

When taking a certain drug 8.5% experience nausea as a side effect.

A scientist took a random sample of 1102 individuals who were taking the drug and recorded the sample proportion who experienced nausea as a side effect,  ˆp. Assume the sampling distribution... more
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