AP Physics Chapter 4 Answers

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AP Physics Chapter 4 Answers Homework 4.A 13) (-7.6 N) 22) b. Mass is a measure of inertia and does not change. 34) – 2.7 x 102 N 35) 8.9 x 104 N 43) 1.5 m/s2 opposite to hers 44) a) 0.77 m/s2 toward Jane b) 4.5 m from John’s original position

AP Physics Chapter 4 Answers Homework 4.B 46) a) 735 N b) 735 N c) 885 N 47) a) 735 N b) 735 N c) 585 N 48) a) 849 N b) 1.88 m/s2 51) a) 0.96 m/s2 b) 2.6 x 102 N 52) a) 5.9 m/s2 b) 21 m/s 53) 64 m 56) a) 2.5 x 102 N b) 3.5 x 102 N 57) a) 0.711 m/s2 b) 1067 N 58) a) 3.0 m/s2 b) T1 = 3.0 N T2 = 9.0 N 59) a) 2.5 m/s2 to the right b) 2.0 m/s2 to the left 64) 1.2 kg. Constant velocity gives you the same answer.

AP Physics Chapter 4 Answers Homework 4.C 76) µs = 0.77 µk = 0.61 77) a) 0 b) 3.1 m/s2 78) a) 38 m b) 53 m 80) 33° > 20°, so it will not move 83) a) 30° b) 22° 85) 0.73 88) a) 6.0 kg b) 1.2 m/s2