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An industrial trolley of mass 350 kg is used to transport equipment and materials to a workstation within the R and D section. Initially the trolley is at the top of a 15 m high hill, which is inclined at 10º to horizontal as shown and travelling at 6 m/s before rolling down into the station. On reaching the bottom of the hill, brakes are applied to the trolley to slow it down to 0.25 m/s in 4.5 m.   Determine:   The braking force that slowed the trolley down The time it takes the trolley to slow down

An industrial trolley of mass 350 kg is used to transport equipment and materials to a workstation within the R and D section. Initially the trolley is at the top of a 15 m high hill, which is inclined at 10º to horizontal as shown and travelling at 6 m/s before rolling down into the station. On reaching the bottom of the hill, brakes are applied to the trolley to slow it down to 0.25 m/s in 4.5 m.   Determine:   The braking force that slowed the trolley down The time it takes the trolley to slow down

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter1: Heat, Temperature, And Pressure
Section: Chapter Questions
Problem 17RQ: Convert 22C to Fahrenheit.
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Task 6

An industrial trolley of mass 350 kg is used to transport equipment and materials to a workstation within the R and D section. Initially the trolley is at the top of a 15 m high hill, which is inclined at 10º to horizontal as shown and travelling at 6 m/s before rolling down into the station. On reaching the bottom of the hill, brakes are applied to the trolley to slow it down to 0.25 m/s in 4.5 m.

 

Determine:

 

  • The braking force that slowed the trolley down
  • The time it takes the trolley to slow down
  • The deceleration of the trolley
15m 10° 4.5m = 0.25m/s NOT TO SCALE
Transcribed Image Text:15m 10° 4.5m = 0.25m/s NOT TO SCALE
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