The fixed edges of a string are 45 cm apart and when plucked the string
vibrates with a fundamental frequency of 377 Hz. If the desired
fundamental frequency for the string is 627 Hz, how far apart should the
fixed edges be?

An object has a weight of 500 on earth what is the mass of this object

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th