I don’t even understand anyone help please.
...
Answers: 3
Another question on Physics
Physics, 21.06.2019 23:30
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
Answers: 3
Physics, 22.06.2019 03:30
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
Physics, 22.06.2019 04:30
Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
Answers: 1
Physics, 23.06.2019 00:00
Determine the largest intensity w of the uniform loading that can be applied to the frame without causing either the average normal stress or the average shear stress at section b–b to exceed σ=19 mpa and τ=24 mpa, respectively.
Answers: 3
You know the right answer?
Questions
Mathematics, 20.11.2020 02:50
History, 20.11.2020 02:50
History, 20.11.2020 02:50
Mathematics, 20.11.2020 02:50
History, 20.11.2020 02:50
Mathematics, 20.11.2020 02:50
History, 20.11.2020 02:50
Health, 20.11.2020 02:50
English, 20.11.2020 02:50
History, 20.11.2020 02:50
English, 20.11.2020 02:50
Advanced Placement (AP), 20.11.2020 02:50
English, 20.11.2020 02:50
Mathematics, 20.11.2020 02:50
