Answer:
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Explanation:
Answer:
While lifting two object the machine needs the different momentum for different mass object.
Explanation:
- Momentum is the quantity of motion contained in an object. Usually it is measured by the product of mass and velocity.
- Momentum of first mass = 2 kg × 2 m/sec = 4 kg m/sec
- Momentum of second mass = 4 kg × 3 m/sec = 12 kg m/sec
- So the machine requires higher mass in motion for second object ( i.e. momentum) than the first one while lifting.
It is the last number minus 3
A. Disciplined. hope this helped
All of the mineralls have a hardness rating less than what he used to perform the scratch test, with the exception of the quartz which had a higher hardness rating.