Physics, 11.12.2020 04:40 sbelgirl2000
A tap supplies water at 26°C while another supplies at 82°C. If a man wishes to bath with water at 40°C, what is the ratio of the mass of hot water to that of cold water required?
Answers: 2
Physics, 22.06.2019 06:00
Explain earth's motion, using the terms "precession" and "rotation" in your answer.
Answers: 1
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Physics, 22.06.2019 21:30
Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?
Answers: 3
Physics, 23.06.2019 05:10
How do the forces acting on a boat compare to the force acting on a plane ?
Answers: 2
A tap supplies water at 26°C while another supplies at 82°C. If a man wishes to bath with water at 4...
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