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Sagot :
Engine is currently in first gear as mentioned in question
- Speed=2100rpm
Drive shaft speed be x
- 3x=2100
- x=700rpm
Answer:
700 rpm
Step-by-step explanation:
A driveshaft is a shaft that transmits mechanical power.
Its speed is measured in rpm (revolutions per minute).
Engine speed
- 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:
First gear
Drive-shaft speed = 2100 ÷ 3 = 700 rpm
Second gear
Drive-shaft speed = 2100 ÷ 1.6 = 1312.5 rpm
Third gear
Drive-shaft speed = 2100 rpm
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