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Physics 1 Problem Solutions 61

# Physics 1 Problem Solutions 61 - Chapt 5 Newton’s Laws...

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Unformatted text preview: Chapt. 5 Newton’s Laws and Dynamics I 57 d) (i) 9 . 8 N (ii) 17 . 0 N (iii) 4 . 9 m / s 2 (iv) 245 m. e) (i) 17 . 0 N (ii) 9 . 8 N (iii) 9 . 8 m / s 2 (iv) 490 m. 005 qmult 11110 2 3 2 moderate math: fuzzy dice at angle fullmult 58. ∗∗ You are in a car accelerating at a constant 3 . 0 m / s 2 with constant direction. The car is on level ground. There are fuzzy dice hanging by a cord from the mirror. The dice cord is a (massless) ideal rope. Assuming the dice are a point mass, what is the angle of the dice cord from the VERTICAL ? HINT: Draw a free body diagram for the dice. Remember the class mantra: “ vector F net = mvectora is always true and it’s true component by component”. a) 3 . ◦ . b) 17 ◦ . c) 22 ◦ . d) 45 ◦ . e) 90 ◦ . 005 qmult 11112 2 3 3 moderate math: fuzzy dice at angle 2 fullmult 59. ∗∗ You are in a car accelerating at a constant 7 . 5 m / s 2 with constant direction. The car is on level ground. There are fuzzy dice hanging by a cord from the mirror. The dice cord is a (massless)ground....
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