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4 Cards in this Set
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- Back
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What is radius for a 9.8 m/sec for turn. Friction =0.2 |
V2/R>=ug, R>=V2/ug=9.8×9.8/(.2×9.8) |
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Force on a pilot when moving in circular path with speed 200m/sec and vertical radius of 1000 m at lowest point. Pilot mass=60 kg |
F=mg+mv2/R=60x9.8+(60×200×200)/1000=2988N |
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Find the velocity at top when a bucket moving in a radius of 9.8 mtr |
V=root square(rxg) |
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If ā=7î- j- ķ , b=2î+j. Find |4ā-3b| |
4a=28î-4j-4k ,3b=6î+3j |4a-3b|=| 22î-7j-4k|=(484+49+16)1/2= (549)1/2 |
