Unformatted text preview: adius of this rotating system
(a) Linear speed
Angular speed (b) Radial acceleration Since acceleration due to gravity EX 2.34:
Two piers, A and B, are located on a river: B is 1500m downstream from A. Two friends must make round trips from pier A to pier B
and return. Once rows a boat at a constant speed of 4.00km/h relative to the water; the other walks on the shore at a constant
speed of 4.00km/h. The velocity of the river is 2.80km/h in the direction from A to B. How much time does it take each person to
make the round trip?
Time...
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 Spring '12
 SDrum
 Physics, Work, Velocity, Physical quantities, Juan, radial acceleration, blade tip

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