Answer:
I dont really know what your asking :/
Step-by-step explanation:
Answer:
the equation says that energy and mass (matter) are interchangeable; they are different forms of the same thing.
Step-by-step explanation:
The mass of the rock in kg is 90,000 kg
Answer:
8
Step-by-step explanation:
8y-3y=40
5y. = 40
y. =8
the value of y is 8.
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