ANSERR ASAPPP PLEASE Bryce lifts a chair with a force of 100 N to a height of 0.25 meters in 2 seconds. How much work does he do on the chair?

A . 25 N
B . 400 N
C . 50 N
D . 200 N

Which of the following is the result of expanding

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.