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Zigmanuir [339]

3 years ago

6

An object is lifted at constant speed a distance h above the surface of the Earth in a time t. The total potential energy gain o

f the object is equal to?
a. the average force
applied
b. the object’s total
weight
c. the total work
done on the object
d. the object’s
acceleration

1 answer:

Romashka-Z-Leto [24]3 years ago

6 0

B.the objects total weight

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Science and technology are closely related, but not the same. Which of the following is most likely a result of technology, not

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Parallel Plates Consider a very large conducting plate at potential V0 suspended a distance d above a very large grounded plane.

velikii [3]

Answer:

$V = \frac{V_0x}{d}$

Explanation:

Since the field lines are parallel and the electric field is uniform between two parallel plates, a test charge would experience the same force of attraction or repulsion no matter where it is located in the field,

I attached an image that could help to understand the representation of the field. The formula used to calculate it is given by,

$E= -\frac{\Delta V}{x}$ (1)

If we want to consider the change in Voltage with respect to the position then it would be,

$E= -\frac{dV}{dx}$

According to the information provided, the potential is $V_0$ and there is a distance d, therefore

$E= -\frac{V_0}{d}$ (2)

Taking equation (1) we can clear V, to what we have,

$\frac{dV}{dx} = -E$

$dV = -Edx$

Integrating,

$V= - \int Edx$

Substituting (2)

$V = -\int \frac{V_0}{d} dx$

$V = \frac{V_0x}{d}$

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3 years ago

A particular uniform solid disk has a mass of 24.0 kg and a radius of 1.50 m. The disk is rotating about an axle passing through

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Answer:

$L = 81 Kg.m^2/s^2$

Explanation:

Angular momentum is calculated as:

L = I * ω

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$I = 1/2 * M *R^2 = 1/2 * 24 * (1.5)^2=27Kg.m^2$

So, the angular momentum is:

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4 years ago

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blagie [28]

Answer:

option no.(a)

Explanation:

is a correct answer.....

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