Physics, 03.02.2020 11:54 aiffland113
Name two ways the properties of iron and oxygen are different from the compound iron oxide (rust).
Answers: 3
Physics, 22.06.2019 05:30
What are similarities and differences of reflection, refraction, diffraction and absorption?
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Physics, 22.06.2019 22:30
The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaρv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and ρ is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and ρ = 1.2 kg/m3.
Answers: 2
Physics, 23.06.2019 06:30
What is a possible explanation for a set of facts that can be tested by further investigations called
Answers: 3
Physics, 23.06.2019 12:30
The lid of a pressure cooker forms a nearly airtight seal. steam builds up pressure and increases temperature within the pressure cooker so that food cooks faster than it does in an ordinary pot. the system is defined as the pressure cooker and the water and steam within it. if 2.0 g of water is sealed in a pressure cooker and then vaporized by heating, and 5127 j must be added as heat to completely vaporize the water, what is the change in the system’s internal energy? answer in units of j.
Answers: 2
Name two ways the properties of iron and oxygen are different from the compound iron oxide (rust)....
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