Ahorizontal rope is tied to a 58.0 kg box on frictionless ice. what is the tension in the rope the box is at rest

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer