10 Answered Questions for the topic Science Math

Science Math Science Biology Chemistry

07/03/18

make a judgement as to whether if stem cells research issues are important enough to stop the development.
does anyone know a judgement based on stem cells research and how it is important enough to stop the development I need help.
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06/29/18

Physical Science Math
A volume of helium occupies 1.0 L at a pressure of 98.0 kPa. What is the new volume if the pressure drops to 86.2 kPa? Show work.
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06/29/18

Physical Science Math
A car weighing 15,000 N is on a hydraulic lift platform measuring 10 m2. What is the area of the smaller piston if a force of 1,100 N is used to lift the car? Please show work
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06/29/18

Physical Science Math
A car weighs 15,000 N and its tires are inflated to a pressure of 190,000 Pa. How large is the area of the car's tires that are in contact with the road? Please show work.
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Science Math

05/28/18

If a train is travelling at a constant speed of 55 mph, how long will it take the train to travel 28 miles?
 I just need help with this problem for a homework assignment. All i know about this problem you gotta use the equation v=dt or something like that. 
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Science Math

11/30/17

If it took Mr. Brown 5 hours to drive 300 miles to Lexington, Kentucky, what was the speed at which Mr. Brown was traveling?
i need help
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10/23/17

What is the volume of a rock with density 3.68 and mass of 430 g?
What is the volume of a rock with a density of 3.68 g/cm3 and a mass of 430 g?
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Science Math

10/20/17

10 mL block of copper is 40 g. How would you solve for density?
 this is a hard math problem and I need some help wit it plyz help
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Science Math

09/29/17

science math
A 160-g hockey puck is at rest on the ice. A player then strikes the puck to accelerate it to a speed of 30 m/s. The puck slides on the ice, decelerating at a constant rate due to friction with the... more
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Science Math

08/31/17

Each bean has a mass of 0.7 grams. A machine can process 200 grams of beans every second. How many jars can the machine fill in 1 minute?
Roughly 500 beans can fit in a standard canning jar. 
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