Alaser beam is incident on two slits with a separation of 0.195 mm, and a screen is placed 5.30 m from the slits. if the bright interference fringes on the screen are separated by 1.62 cm, what is the wavelength of the laser light

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final