What king of muscles fibers and muscle mass would you expect to find in a husky's hind legs, which provide much of the brute power to propel a loaded sled

The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm(red) and 486 nm (blue). light from a hydrogen lamp illuminates a diffraction grating with 520lines/mm , and the light is observed on a screen 1.5m behind the grating. part a what is the distance between the first-order red and blue fringes? express your answer to two significant figures and include the appropriate units.

Avalue that describes how heavy an object is and is related to the force of gravity is

What is the speed of an object at a given moment?