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5.4: Selected Answers

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    45951

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    1 \(\theta\)2 = 3.53 rad

    2 t = 0.97 s

    3 \(\theta\)B2 = 8.98 rad/s

    4 t = 1.55 s

    5 v1 = 12.3 m/s

    6 t = 2.39 s

    7 t2 = 2.8 s

    8 \(\alpha\) = 45.7 rad/s2

    9 \(\omega\)2 = 35.6 rad/s

    10 a = 0.65 m/s2

    11 \(\alpha\) = 2.92 rad/s2

    12 t2 = 7.5 s

    13 t2 = 2.65 s

    14 ablock = 0.256 m/s2

    15 atruck = 0.056 m/s2

    16 atruck = 0.099 m/s2

    17 \(\Delta\)rblock = 203 m

    18 F rope = 477 N

    19 F rope = 266 N

    20 F rope = 375 N

    21 Frightsupport = 9.8 N Fleftsupport = 1117 N

    22 Frightsupport = 1269 N Fleftsupport = 446 N

    23 Fsf = 514 N

    24 F minimum = 867 N

    25 a student = 0.23 m/s2

    26 a student = 0.14 m/s2

    27 F right rope = 503 N

    28 m block = 117 kg

    29 a skier = 0.57 m/s2

    30 a = 0.15 m/s2

    31 t2 = 1.01 s

    32 t2 = 1.18 s

    33 a = 5.07 m/s2

    34 a = 1.75 m/s2

    35 Fonbrake = 867 N

    36 a. t = 3.69 s b. r = 27.7 m

    37 v2 = 1.21 m/s

    38 v2student = 1.5 m/s

    39 Fright rope = 503 N

    40 mblock = 116 kg

    41 mblock = 108 kg

    42 v2 = 0.49 m/s

    43 v2 = 6.8 m/s

    44 v2 = 5.4 m/s

    45 v2 = 11 m/s

    46 v2 = 1.64 m/s

    47 \(\omega\)1 = -2.67 rad/s

    48 \(\omega\)2 = 2.1 rad/s

    49 R = 2.0 m

    This page titled 5.4: Selected Answers is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Paul D'Alessandris via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.