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fomenos
3 years ago
11

How much potential energy foes a 5kg mass have when its 2 meters above the ground?(Hint :PE=m*g*h)​

Physics
1 answer:
frez [133]3 years ago
5 0

Answer:

<h2>98 J</h2>

Explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 9.8 m/s²

From the question we have

PE = 5 × 9.8 × 2

We have the final answer as

<h3>98 J</h3>

Hope this helps you

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the pygmy shrew has an average mass of 2.0 g if 49 of these shrew are placed on a spring scale with a spring constant of 24 N/m
olga_2 [115]

Answer:

Spring's displacement, x = -0.04 meters.

Explanation:

Let the spring's displacement be x.

Given the following data;

Mass of each shrew, m = 2.0 g to kilograms = 2/1000 = 0.002 kg

Number of shrews, n = 49

Spring constant, k = 24 N/m

We know that acceleration due to gravity, g is equal to 9.8 m/s².

To find the spring's displacement;

At equilibrium position:

Fnet = Felastic + Fg = 0

But, Felastic = -kx

Total mass, Mt = nm

Fg = -Mt = -nmg

-kx -nmg = 0

Rearranging, we have;

kx = -nmg

Making x the subject of formula, we have;

x = \frac {-nmg}{k}

Substituting into the formula, we have;

x = \frac {-49*0.002*9.8}{24}

x = \frac {-0.9604}{24}

x = -0.04 m

Therefore, the spring's displacement is -0.04 meters.

3 0
3 years ago
Hello,Plz Help Which conditions are necessary for rain to form?
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3 years ago
Questlon 20 of 20 Which change to an object would quadruple its kinetic energy?
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Answer:Questlon 20 of 20 Which change to an object would quadruple its kinetic energy?

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Explanation:

6 0
3 years ago
Read 2 more answers
Sugar is made of carbon, hydrogen, and oxygen atoms. Sugar is
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D. A solution because it dissolves when mixed with water
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3 years ago
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1. A Zambeef delivery track travels 18 km north, 10 km east, and 16 km south. What is its final displacement from the origin?
VARVARA [1.3K]

Answer:

2km

Explanation:

Given data

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The displacement = 18-16= 2km

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3 years ago
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