16. A child does 350 J of work while pulling a box from the

Last updated: 7/10/2022

16. A child does 350 J of work while pulling a box from the ground up to his tree house at a steady speed with a light rope. The tree house is 4.0 m above the ground. What is the mass of the box? 5.3 kg 6.7 kg 8.0 kg 8.9 kg