Green light of a certain wavelength is incident upon two valors separated by 2.10 x 10^-5 m. A screen is placed .800m from the slits. The distance from the central bright line to the first-order line is 19.9 mm. What's the wavelength of the light ?

Aflower pot weighing 3 newtons is sitting on a windowsill 30 meters from the ground is the energy of the flower pot potential or kinetic? how many joules is this

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)