A horse falls into a mudhole 5 m deep and becomes stuck. A truck uses a force of 7580 N to lift the horse out of the mudhole. How much work was done on the horse? A.
1.52 x 10^3 J

B.
3.71 x 10^5 J

C.
3.79 x 10^4 J

D.
1.49 x 10^4 J

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?