Physics, 27.10.2020 14:30 endyrocks19
A faulty Celsius thermometer reads -4 β when placed in melting ice and 98 β when placed in
contact with steam at normal pressure. What is the correct temperature on Celsius scale when
this thermometer reads 32Β°? (Ans: 35.3 β)
Answers: 3
Physics, 21.06.2019 22:00
Bernie drove home from a vacation in 1.5 hours. he traveled a total distance of 60 miles. what was his average speed in miles per hour? a. 60 mph b. 90 mph c. 40 mph d. 55mph
Answers: 1
Physics, 21.06.2019 22:00
In a wind tunnel the speed changes as the cross sectional area of the tunnel changes. if the speed in a 6' x 6' square test section is 100 mph, what was the speed upstream of the test section where the tunnel measured 20' x 20'? use conservation of mass and assume incompressible flow. conservation of mass requires that as the flow moves through a path or a duct the product of the density, velocity and cross sectional area must remain constant; i.e., that ova-constant. a model is being tested in a wind tunnel at a speed of 100 mph if the flow in the test section is at sea level standard conditions, what is the pressure at the model's stagnation point? (a) the tunnel speed is being measured by a pitot-static tube connected to a u- tube manometer. what is the reading on that manometer in inches of water? (b) at one point on the model a pressure of 2058 psf is measured. what is the local airspeed at that point?
Answers: 2
Physics, 22.06.2019 00:00
True or false: the revolution of the earth creates day and night as it rotates around the sun
Answers: 2
A faulty Celsius thermometer reads -4 β when placed in melting ice and 98 β when placed in
contact...
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