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The sears tower in chicago is 443 m tall. Joe wants to set the world’s stair climbing record and runs all the way to the roof of the tower. If joe’s average upward speed is 0. 60 m/s, how long will it take joe to climb from street level to the roof of the sears tower?.

Sagot :

It will take Joe 738.3 seconds (12.3 minutes) to climb from street level to the roof of the sears tower.

What is speed?

  • The definition of speed is the rate at which an object's position changes in any direction.
  • Speed is defined as the ratio of distance traveled to time spent traveling.
  • Because it has only one direction and no magnitude, speed is a scalar quantity.
  • Speed is a measure of how quickly something moves or is done, or how fast something moves.
  • A car traveling at 45 miles per hour is an example of speed.
  • Someone cleaning a room in 10 minutes is an example of speed.
  • A jaguar's speed is an example of speed.

To find how long will it take joe to climb from street level to the roof of the sears tower:

  • If Joe moves at 0.6 m/s in the vertical direction, the total distance he must cover is 443 meters in the vertical direction.
  • The formula for average speed is now:
  • Average speed = total distance / total time
  • Total time = total distance / average speed
  • Total time = 443/0.6
  • Total time = 738.3 seconds

Therefore, it will take Joe 738.3 seconds (12.3 minutes) to climb from street level to the roof of the sears tower.

Know more about speed here:

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