What is weight vs mass

1 answer:

8 0

Weight is the measurement of the pull of gravity on an object, while mass is the measurement of the amount of matter that an object contains.

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A student heats a liquid on a burner. What happens to the portion of liquid that first begins to warm? It loses energy. It becom

scoray [572]

Answer:

they get closer together

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3 years ago

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an apple in a tree has a gravitational potential energy of 175J and a mass of 0.36g . how high from the ground is the apple

Neko [114]

The equation for potential energy is denoted as;

Pe = mgh,

where m = the mass, g = acceleration due to gravity, and h = vertical height of the apple. We are given the units for everything but height, which is also what we are solving for. We can then algebraically rearrange our initial equation to solve for h;

h = (Pe)/(mg)

Plug in your given units, and solve!

Post-check:

h = Pe/mg

h = 175J/(0.36g)(-9.81m/s^2)

h = appr. 49.5 meters

Note: Potential energy is a vector quantity; the displacement of the apple will be a negative number, but the distance itself, a scalar quantity, will be the absolute value of that.

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The electric field strength in the space between two closely spaced parallel disks is 1.0 10^5 N/C. This field is the result of

alex41 [277]

To solve this problem it is necessary to apply the concepts related to the capacitance in the disks, the difference of the potential and the load in the disc.

The capacitance can be expressed in terms of the Area, the permeability constant and the diameter:

$C = \frac{\epsilon_0 A}{d}$