edugen.wileyplus.com PHYS 4A Homework 4 Cheap Car Rental Mail In A Nuclear MleyP

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edugen.wileyplus.com PHYS 4A Homework 4 Cheap Car Rental Mail In A Nuclear MleyPLUS Physics question Edugen.wilaypl Halliday, Fundamentals of Physics, 10e PRINTER VERSTON BACK ASSIGNMENT RESOURCES Chapter 05, Problem 032 (Ch.5) Crapter 05, Concept Question 0 Chapter 05, concept The figure shows an overhead view of a 0.029 kg lemon half and two or the three horizontal forces that act on it as it is on a frictionless table. Force r 1 has a magnitude of 3 N and is at 1 = 33®. 005 F 2 has a magnitude of 4 N and is at 2-29° In unit-vector notation, what is the third force if the lemon half a 13 1 j Force s stationary b) has the constant velocity v m and 120-161 ) m/s, v = (c) has the where t is time? hapter 05, Pr Cha 051 Review Score Review Results by Study (a) Number (b) Number (c) Number Click if you would like to Show Work for this question: 1 Units j Units j Units Open Show Work LINK TO TEXT LINK TO SAMPLE PROBLEM LINK TO SAMPLE PROBLEM

Explanation / Answer

F1 = 3 ( -cos33i + sin33 j)

F1 = - 2.52 i + 1.63 j

and F2 = 4 ( cos29i - sin29 j)

= 3.50 i - 1.94 j

(A) stationary means a = 0

so Fnet = m a = 0

Fnet = F1 + f2 + F3 = 0

F3 = -0.98 i + 0.31 j N ..........Ans

(B) constant velocity means a = 0

so F3 = -0.98 i + 0.31 j N

(C) a = dv/dt = 12i - 16j

Fnet = m a

F1 + F2 + F3 = 0.029 (12i - 16j )

F3 = - 0.632i - 0.154 j N

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