Physics, 25.06.2019 05:00 starlightmoon213
A14.0 kg iron mass rests on the bottom of a pool. (the density of iron is 7.86 β 103 kg/m3 and the density of water is 1.00 β 103 kg/m3.) hint (a) what is the volume of the iron (in m3)? m3 (b) what buoyant force acts on the iron (in n)? (enter the magnitude.) n (c) find the iron's weight (in n). (enter the magnitude.) n (d) what is the normal force acting on the iron (in n)? (enter the magnitude.) n
Answers: 1
Physics, 21.06.2019 16:10
Aresearcher plans to conduct a test of hypotheses at the 1% significance level. she designs her study to have a power of 0.90 at a particular alternative value of the parameter of interest. the probability that the researcher will commit a type ii error for the particular alternative value of the parameter at which she computed the power is: a. 0.90. b. 0.01. c. 0.10. d. equal to 1
Answers: 3
Physics, 22.06.2019 14:30
Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
Answers: 2
A14.0 kg iron mass rests on the bottom of a pool. (the density of iron is 7.86 β 103 kg/m3 and the d...
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