A motorboat is tied to a dock with its motor running. The spinning propeller makes a surface wave in the water with a frequency of 20 Hz and wavelength of 1.6 m. What is the speed of the wave?

Rohit is trying to tune an instrument

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)

A( developed during the process of technology design