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  1. Explain the difference between root mean square (r.m.s.) speed and meanspeed.Why is r.m.s. speed a more useful quantity?
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    2. Dia B asked by Dia B
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  2. The fuel efficiency, E, in litres per 100 km, for a car driven at speed v, in km/h is E(v)=1600v/(v^2+6400)a)If the speed limit
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    2. Jessica asked by Jessica
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  3. Angelica’s speed is 4 cm/minute, Monique’s speed is 3.5 cm/minute, and Courtney’s speed is 5.5 cm/minute. Which turtle
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  4. Angelica’s speed is 4 cm/minute, Monique’s speed is 3.5 cm/minute, and Courtney’s speed is 5.5 cm/minute. Which turtle
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    2. The boundaries of the former Soviet Union changed asked by The boundaries of the former Soviet Union changed
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  5. Angelica’s speed is 4 cm/minute, Monique’s speed is 3.5 cm/minute, and Courtney’s speed is 5.5 cm/minute. Which turtle
    1. answers icon 1 answer
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  6. A bus makes a 10 mph journey through town . its top speed is 30 mph and its mean speed is 10 mph explain why theese speeds are
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    2. Jake james asked by Jake james
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  7. The speed of light in a vacuum is 2.998 × 10^8 m/s.What is its speed in miles per minute (mi/min)? Please explain the steps you
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    2. Alice asked by Alice
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  8. A bus makes a 10 mile journey throuh town. Its top speed is 30mph and its mean speed its 10 mph.Explain why these speeds are
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    2. Remy asked by Remy
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  9. A bus makes a 10 mile journey throuh town. Its top speed is 30mph and its mean speed its mph.Explain why these speeds are
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    2. Lucy asked by Lucy
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  10. a ball is shot upwards from ground level at a vertical speed of 40 m/s.a. What is the vertical speed of the ball just as it hits
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    2. Amy asked by Amy
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