The diagram shoes a steelyard. A steelyard is used for weighing. The rider is moved closer to the pivot. Explain what will happen to the steelyard.

Astring that is fixed at both ends has a length of 1.05 m. when the string vibrates at a frequency of 91.0 hz, a standing wave with five loops is formed. (a) what is the wavelength of the waves that travel on the string? (b) what is the speed of the waves? (c) what is the fundamental frequency of the string?

Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesn’t slow down or speed up, what is his speed?

The pressure proportional to the area a- inversely b- directly c- increase d-decrease