PLEASE HELP QUICK!! A parachute works by increasing the amount of time it takes to bring your body to a stop. If the impulse is the same, increasing the time will

A)increase the momentum
B)increase the force C)decrease the momentum
D)decrease the force

The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656(red) and 486 (blue). light from a hydrogen lamp illuminates a diffraction grating with 500 lines per mm, and the light is observed on a screen 1.50 behind the grating. what is the distance between the first-order red and blue fringes?