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Sample Example with Answers - Essential Physics | PHYS 200, Assignments of Physics

Duquesne UniversityPhysics

Material Type: Assignment; Class: Essential Physics; Subject: Physics; University: Duquesne University; Term: Unknown 1989;

Typology: Assignments

Pre 2010

Uploaded on 08/18/2009

koofers-user-dw4
koofers-user-dw4 🇺🇸

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Download Sample Example with Answers - Essential Physics | PHYS 200 and more Assignments Physics in PDF only on Docsity!

Example 1: Chapter 6, #7 A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 22.0 m. She pushes in a direction of 29.0° below the horizontal. A 48.0 N frictional force opposes the motion of the cart. (a) What is the magnitude of the force that the shopper exerts? Determine the work done by (b) the pushing force, (c) the frictional force, and (d) the gravitational force. A Stee - oy dle four wight be helpful, MoV Cand thes, és) A) We Flasd cose ss. Was Fy (0S) cose Hiwevee, Le don't i. Fa. (Fe te oF, Way “fe, = ye Ma, Fe Find (emt) Faces@~ Fe Fue F oa Fee YRON OS 4 Cos 24.0° .aee i) Thes Wee : n= Fa las) coe = 490 )(220m) cos 240° “(000s é : \ / ) We = Klas) cop = (U0) (2200) cos (10°) =C1Ogep) d) Wy = F465) (eso = (ng) E290 ie) € cS ci Newton's JM lay,