Physics, 08.08.2019 22:30 jasminetaylor4587
Oil at 150 c flows slowly through a long, thin-walled pipe of 30-mm inner diameter. the pipe is suspended in a room for which the air temperature is 20 c and the convection coefficient at the outer tube surface is 11 w/m2 k. estimate the heat loss per unit length of tube.
Answers: 3
Physics, 22.06.2019 12:20
Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
Answers: 1
Physics, 22.06.2019 15:00
10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!
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Physics, 22.06.2019 20:30
Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm
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Physics, 23.06.2019 00:00
What is the difference between mass density and weight density?
Answers: 1
Oil at 150 c flows slowly through a long, thin-walled pipe of 30-mm inner diameter. the pipe is susp...