In one of the experiments, the trolley of mass 0,2 kg is on a frictionless horizontal table. The trolley is joined to a hanging masspiece of mass 0,05 kg. The trolley and
the masspiece are joined together with an inelastic string of negligible mass and
runs over a frictionless pulley,
0,2 kg
0,05 kg​

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

Which type of basaltic lava flow has a fairly smooth

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.