A force of 5.00 N is applied to a spring whose elastic constant is 0.250 N/cm. Its change in length is

20.0 cm
23.5 cm
25.0 cm
30.5 cm
35.0 cm

Which describes an image that can be produced by a concave lens? the image is real and smaller than the object. the image is virtual and larger than the object. the image is virtual and smaller than the object. the image is real and larger than the object.

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz