anonymous
  • anonymous
As you are driving one day, you pass a construction site and stop to watch for a few minutes. A crane is lifting a batch of bricks on a pallet to an upper floor of the building. Suddenly a brick falls off the rising pallet. You were looking at your watch and measure that it takes 2.5 s for the brick to hit the ground. A falling brick can be dangerous, and you wonder how fast the brick was going when it hit. The crane has height markings and you see the brick fell off the pallet at a height of 22 m above the ground.
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
v= change in distance / change in time. v= (22m - 0m) / (2.5s - 0s) v= 22m / 2.5s v= 8.8 m/s
TuringTest
  • TuringTest
Smitm has given average speed of the brick for some reason... \[v=gt=9.8(2.5)=24.5m/s\]should the speed it hits the ground with. Though what's curious is that doesn't correspond to a 22 meter fall. Imformation seems excessive and contradictory.

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