As a stoplight turns green, a 3000 N bus exerts a constant force of 2000 N until it reaches 30 m/s. How far did it travel?

b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle

one "light year" is the distance that light travels, through vacuum, in one julian year.   that's 365.25 days, of 24 hours each.