Physics, 15.12.2021 20:50 Gyalissunout3526
A ball rolls uphill 6 meters and stops after 3 seconds. Which is true? a. the initial speed is 3 m/s b. the final speed is zero e. the initial speed is zero d. the acceleration is 10 m/s2 e. none of these
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Physics, 22.06.2019 07:20, coolusername1314
The softest and hardest minerals are: softest hardest
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Physics, 23.06.2019 07:00, laylaaaaah1603
I) a gas contained within a piston-cylinder assembly undergoes two processes, a and b, between the same end states, 1 and 2, where p1 = 10 bar, v1 = 0.1 m3 , u1 = 400 kj and p2 = 1 bar, v2 = 1.0 m3 , u2 = 200 kj: ' process a: process from 1 to 2 during which the pressure-volume relation is pv = constant. ' process b: constant-volume process from state 1 to a pressure of 2 bar, followed by a linear pressure-volume process to state 2. kinetic and potential energy effects can be ignored. for each of the processes a and b, a) sketch the process on a p-v diagram. b) evaluate the work, in kj. c) evaluate the heat transfer, in kj.(ans : qb,12 = -65.0 kj)
Answers: 3
A ball rolls uphill 6 meters and stops after 3 seconds. Which is true? a. the initial speed is 3 m/s...
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