Recent content by Rube P

A guitar string is 92 cm long and has a mass of 3.2 g. From the bridge to the support post (L) is 70 cm, and the string is under a tension of 480 N. What is the frequency of the first overtone (in Hertz)? Please help!!! My first answer, 265.35 Hz, was not right. Looking for final numerical...

Tarzan plans to cross a gorge by swinging in an arc from a hanging vine. If his arms are capable of exerting a force of 1100 N on the rope, what is the maximum speed he can tolerate at the lowest point of his swing? His mass is 70 kg and the vine is 4.8 m long. Totally lost, help pleaseee...

In a "Rotor-ride" at a carnival, people pay money to be rotated in a vertical cylindrically walled "room." If the room radius is 4.2 m, and the rotation frequency is 0.7 revolutions per second when the floor drops out, what is the minimum coefficient of static friction so that the people will...

Tetraphosphorus hexaoxide ( M = 219.9 g/mol) is formed by the reaction of phosphorus with oxygen gas. P4(s) + 3O2(g) → P4O6(s) If a mixture of 2.43 mol of phosphorus and 1.21 mol of oxygen gas produce 43.3 g of P4O6, what is the percent yield for the reaction? P = 30.97. O = 16.00...