Prove and identify the direction of the resultant, if two vectors meet at an angle less than 90⁰ and angle more than 90⁰ show the working and drawings ​

The dissociation energy of a molecule is the energy required tobreak apart the molecule into its separate atoms. the dissociationenergy for a particular molecule is 5.48 x 10-18 j.suppose that this energy is provided by a single photon. determinethe (a) wavelength and (b) frequency of the photon

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?