1. A viewing screen is separated from a double-slit source by 1.3 meter. The distance between the two slits is 0.020 mm. The second-order bright fringe (m = 2) is 2.5 cm from the center line. (a) Determine the wavelength of the light and (b) Calculate the distance between adjacent bright fringes​

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.