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Variety of problems from different chapters.

I need help with 5 questions. I have attached the problems.


Solution Summary

The kinetic energy of a base ball is calculated in Foot-Pound-Second system.

Projectile problem with change in elevation, kinetic and potential energy in Foot-Pound-Second system.

Thermodynamic change for polytropic process (PV^n = constant) in Foot-Pound-Second system.

Recharging cost of an storage battery.

Surface tension force and work done in stretching a soap film is calculated.