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3 years ago

A spring with spring-constant of 100 n/m is compressed 0.10 m. what is its maximum stored elastic potential energy

Physics

1 answer:

Ganezh [65]3 years ago

5 0

Elastic potential energy stored in a spring is

(1/2) · (spring constant) · (stretch or compress)² .

PE = (1/2) · (100 N/m) · (0.1 m)²

PE = (50 N/m) · (0.01 m²)

PE = (50 · 0.01) (N · m / m²)

PE = 0.5 N · m

PE = 0.5 Joule

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Read 2 more answers

Cumulative Problem 1

Marrrta [24]

Answer:

Volume, $V=696.55\ \mu m^3$

Explanation:

Given that,

The diameter of a human cell is 11 μm

It is enclosed by a membrane that is 4,4 nm thick.

We need to find the volume of the cell. The cell is spherical in shape. The volume of a sphere is given by the formula as follows :

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3 years ago

Suppose you place an object 8 cm in front of a converging lens and the image appears 16 cm on the other side of the lens. What i

Marianna [84]

Answer:

5.33 cm

Explanation:

The lens equation states that:

$\frac{1}{f}=\frac{1}{p}+\frac{1}{q}$

where

f is the focal length

p is the distance of the object from the lens

q is the distance of the image from the lens

In this problem,

p = 8 cm

q = 16 cm ( the sign is positive since the image is real, which means it is formed on the other side of the lens)

Substituting into the equation,

$\frac{1}{f}=\frac{1}{8 cm}+\frac{1}{16 cm}=\frac{3}{16 cm}$

$f=\frac{16}{3}cm=5.33 cm$

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3 years ago