Consider the general form of the reynolds transport theorem (rtt) dbsysdt=ddt∫cvrhobdv+∫csrhobv→r⋅n→d a . let bsys be the linear momentum mv→ of a system of fluid particles. we know that for a system, newton’s second law is ∑f→=ma→=mdv→dt=ddt(mv→sys) . use the rtt and newton’s second law to derive, and choose the correct linear momentum equation for a control volume.

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87