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lord [1]
2 years ago
15

In first gear, or low gear, an automobile's engine runs about three times as fast as the drive shaft. In second gear, the

Mathematics
2 answers:
svetlana [45]2 years ago
8 0

Engine is currently in first gear as mentioned in question

  • Speed=2100rpm

Drive shaft speed be x

  • 3x=2100
  • x=700rpm

kotegsom [21]2 years ago
8 0

Answer:

700 rpm

Step-by-step explanation:

A driveshaft is a shaft that <u>transmits</u> mechanical power.

Its <u>speed</u> is measured in rpm (revolutions per minute).

<u>Engine speed</u>

  • First gear: 3 × drive-shaft speed
  • Second gear: 1.6 × drive-shaft speed
  • Third gear:  equal to drive-shaft speed

Given engine speed:

  • 2,100 rpm

Therefore, the drive-shaft speeds in the different gears are:

<u>First gear</u>

Drive-shaft speed = 2100 ÷ 3 = 700 rpm

<u>Second gear</u>

Drive-shaft speed = 2100 ÷ 1.6 = 1312.5 rpm

<u>Third gear</u>

Drive-shaft speed = 2100 rpm

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