Light from a He-Ne laser goes through two slits separated by 0.0100 mm. Dark lines are seen on a screen at various angles relative to the incident beam. What is a possible condition necessary for these dark lines to form?

A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)