Physics, 25.12.2020 06:00 MIYAISSAVGE2409
The number of student of schoolwas 450 last year and it is 396 this year. By how many percent did the number decrease
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Physics, 22.06.2019 14:00
Explain why you think this diagram shows what happened to the carbon in the biodome.
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Physics, 22.06.2019 15:10
An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 Ëšf and standard atmospheric pressure, what is the value of the mach number?
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Physics, 22.06.2019 19:30
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
The number of student of schoolwas 450 last year and it is 396 this year. By how many percent did th...
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