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amelia
Questions (3)
The handle of a car jack is moved 75 cm and the car is lifted 2.5 cm. What is the ideal mechanical advantage of this car jack?
1 answer
403 views
a balloon is 30m above the ground and is rising vertically with a uniform speed when a coin is dropped from it. if the coin
1 answer
545 views
Is -4.17 rational or irrational and is 3.24037 rational or irrational and how can you tell the difference between them?
3 answers
763 views
