Answers: 2
Physics, 22.06.2019 08:30
An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?
Answers: 1
Physics, 22.06.2019 14:00
Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.
Answers: 3
Physics, 22.06.2019 19:00
1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engineâs effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)
Answers: 1
Since exothermic reactions give off heat, they are exceptions to the law of conservation of energy a...
English, 06.07.2020 22:01
Mathematics, 06.07.2020 22:01
English, 06.07.2020 22:01
English, 06.07.2020 22:01
Mathematics, 06.07.2020 22:01
Mathematics, 06.07.2020 22:01
Mathematics, 06.07.2020 22:01
Mathematics, 06.07.2020 22:01
Mathematics, 06.07.2020 22:01