If you increase the aperture diameter of a camera by a factor of 3, how is the intensity of the light striking the film affected

How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

True or false graphs must include scales that increase by the same amount