Large space margins on the roadway provide .

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.