Answer:
yes. can always be separated
B. It contains more matter
The only statement on the options that says true about density is:> The density of an object determines whether it will sink or float.
Why?Density is a physical property of an object.
Density is not derived as a unit of measure. It is derived from 2 fundamental units: kg and m.
The Density of an object is not constant.
Density is calculated by dividing the mass by the volume of an object.
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The density of an object is constant.
Density is a derived unit of measure
The density of an object determines whether it will sink or float.
Answer:
angular momentum = inertia * angular speed
similar to momentum
momentum = mass * velocity
D) is correct because a wider rim will increase the inertia of the pot
this assumes a constant angular momentum
Answer:
6.20×10⁴ V/m
Explanation:
The magnitude of electric field is:
E = √(Eₓ² + Eᵧ²)
where Eₓ = ∂φ/∂x and Eᵧ = ∂φ/∂y.
φ = 1.11 (x² + y²)^-½ − 429x
Eₓ = -0.555 (x² + y²)^-(³/₂) (2x) − 429
Eᵧ = -0.555 (x² + y²)^-(³/₂) (2y)
Evaluating at (0.003, 0.003):
Eₓ = -44034 V/m
Eᵧ = -43605 V/m
The magnitude is:
E = 61971 V/m
Rounded to three significant figures, the strength of the electric field is 6.20×10⁴ V/m.
