WWW.MIAMI-BEST-MATH-TUTOR.COMPHYSICS.I.PRACTICE.PROBLEMS.SET.2.1 PAGE 1 OF 12 WWW.MIAMI-BEST-MATH-TUTOR.COME-MAIL:[email protected]CONTACT NUMBER: (786)556-4839 PRACTICE PROBLEMS SET 2.1 1. A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The tree house is 6.9 m above the ground. What is the mass of the box? 4.7 kg3.1 kg5.2 kg5.2 kgabcd
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