4) The distance needed to

  1. Directions - Use the distance formula to find the distance between the two points (round to two decimal places, if needed):(−2
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  2. Directions - Use the distance formula to find the distance between the two points (round to two decimal places, if needed):(-2,8
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  3. What is accomplished by this simple pulley?(1 point) Responses It changes the distance of the pull needed to lift the object. It
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  4. What is accomplished by this simple pulley?(1 point) Responses It changes the duration needed to lift the object. It changes the
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  5. How do simple machines make work easier? (1 point)They increase the distance over which a force is needed, doing more work with
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  6. A Se-75 source is producing 310 rem at a distance of 3.0 m. What is the distance needed to decrease the intensity of exposure to
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  7. How do simple machines make work easier?(1 point)Responses They decrease the distance needed between a person and an object,
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  8. A car consumes one litre of petrol every two fifths of the distance covered. How many litres of fuel are needed by a car to
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  9. A coefficient of kinetic friction, k , is needed to stop a car in a distance D on dry pavement with the wheels locked if the car
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  10. What is accomplished by a simple pulley?A.) It changes the distance of the pull needed to lift the object. B.) It changes the
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