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A minivan is tested for acceleration and braking. In the street-start acceleration test, elapsed time is 8.2 s for a velocity increase from 10 km/h to 100 km/h. In the braking test, the distance traveled is 44 m during braking to a stop from 100 km/h. Assuming constant values of acceleration and deceleration, determine
(a) The acceleration during the street-start test,
(b) The deceleration during the brakingtest.
A bucket of mass 1.00 kg is whirled in avertical circle of radius 1.40 m. At thelowest point of its motion the tension in the rope supporting the bucket is 25.0 N. Find the speed of the bucket
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to ensure a tight fit cylindrical metal elements are sometimes made the same size or even slightly larger than the
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