When the parachute is fully open, the effective drag coefficient of the skydiver plus the parachute increases to 60.0 kg/m . what is the drag force fdrag acting on the skydiver immediately after she has opened the parachute?

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

When does your body conduct current more readily?

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?