Physics, 07.10.2019 03:30 hardwick744
What would be your estimate of the age of the universe if you measured a value for hubble's constant of h0 = 30 km/s/mly ? you can assume that the expansion rate has remained unchanged during the history of the universe. express your answer using two significant figures. yr?
Answers: 1
Physics, 21.06.2019 17:30
Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?
Answers: 3
Physics, 21.06.2019 19:30
Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more
Answers: 1
Physics, 22.06.2019 02:30
Agas contained within a piston-cylinder assembly undergoes three processes in series: process 1๏ 2: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 2๏ 3: constant pressure expansion to 1 liter. process 3๏ 1: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat
Answers: 2
Physics, 22.06.2019 05:20
Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity
Answers: 1
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