Asked by Clara
this is a physics qustion im stuck on:
ingrid holds the womans record time for a marathon race of 2h 21min 6s for 42.195km. The mens record is held by Blake grison of 2h 6 min 50s. If they had been in the same race how much would blake win by.. find this in time as well as distance
ingrid holds the womans record time for a marathon race of 2h 21min 6s for 42.195km. The mens record is held by Blake grison of 2h 6 min 50s. If they had been in the same race how much would blake win by.. find this in time as well as distance
Answers
Answered by
Henry
Ingrid: 2h, 21min, 06s =
Blake-: 2h, 06min, 50s =
2h, 20min, 66s
2h, 06min, 50s
Diff. = 14min, 16s. = = 14.267min = Blake's winning margin.
Tb = 120 + 6 + 50/60 = 126.833min =
Blake's time.
Vb = d/Tb = 42,195m/126.833min = 332.681
m/min = Blake's speed.
d = 332.681m/min * 14.267min = 4746.4 m
=4.746 km. = Blake's margin.
Blake-: 2h, 06min, 50s =
2h, 20min, 66s
2h, 06min, 50s
Diff. = 14min, 16s. = = 14.267min = Blake's winning margin.
Tb = 120 + 6 + 50/60 = 126.833min =
Blake's time.
Vb = d/Tb = 42,195m/126.833min = 332.681
m/min = Blake's speed.
d = 332.681m/min * 14.267min = 4746.4 m
=4.746 km. = Blake's margin.
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