Problem 2: You are designing another bottle jack. Everything is the same as in the previous design, except the piston being used is a solid cross-section with the same outer diameter. Determine the maximum length, l, the piston can be extended safely without buckling using the same maximum weight limit and safety factor as before.

Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.

Acommercial passenger jet can travel up to 970 km/hr at an altitude of 30,000 feet. at this speed, how long will it take the jet to travel 1,865 kilometers? a. 2.3 hrs b. 1.9 hrs c. 1.7 hrs d. 1.5 hrs

What determines the amount of inertia an object has