Suppose a horizontal circular loop of wire has a diameter of 7cm and is lowered into sample of crude oil and suppose the additional force that is required to pull the loop out of the oil is 0.08N. Calculate the surface tension of the sample of crude oil. ​

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates