A rectangular box rests on a flat surface and has weight of 100N. Calculate the total weight if another body is placed on it and the pressure on the surface of the base is 60N/m2 if it has an area of 2m2. Answer needed urgently pls​

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.