Physics, 14.01.2020 18:31, 21smartness21
At a fabrication plant, a hot metal forging has a mass of 75kg and a specific heat capacity of 430 j/(kg. c°). toharden it, the forging is immersed in 710 kg of oil that has atemperature of 32 °c and a specific heat capacity of 2700j/(kg. c°). the final temperature of the oil and forgingat thermal equilibrium is 47 °c. assuming that heat flowsonly between the forging and the oil, determine the initialtemperature of the forging.
Answers: 3
Physics, 22.06.2019 21:50, WampWamp8751
Determine the moment of the force f about an axis extending between a and c. express the result as a cartesian vector. a is at the origin, c is at (4,3,0) and f = (4i + 12j -3k) lb coming out of b (4,3,-2).
Answers: 2
Physics, 22.06.2019 23:30, isabel2417
Avector a⃗ has a length of 8.6 m and points in the negative x direction. find the x component of the vector −3.7a⃗ .
Answers: 1
Physics, 23.06.2019 01:00, djs1671
To practice problem-solving strategy 10.1 for energy conservation problems. a sled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slides a distance d1 down the slope and then covers the distance d2 along the horizontal terrain before stopping. find the coefficient of kinetic friction μk between the sled and the ground, assuming that it is constant throughout the trip.
Answers: 1
Physics, 23.06.2019 02:30, roseemariehunter12
Ball bearings are made by letting spherical drops of molten metal fall inside a talll tower-called a shot tower- and solidify as they fall. a-if a bearing needs 4.0 s to solidify enough for impact, how high must the tower be? b- what is the bearing's impact velocity?
Answers: 3
At a fabrication plant, a hot metal forging has a mass of 75kg and a specific heat capacity of 430 j...
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