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FromTheMoon [43]
2 years ago
15

A 2 kg cat is stuck in a tree 10 m above the ground. How much GPE does it have?

Chemistry
1 answer:
Dovator [93]2 years ago
3 0

Answer:

196J, but C. at 200 J comes close.

Explanation:

Potential energy due to gravity is given by:

PEgrav = mass • g • height

where g is the acceleration due to gravity.  We'll use 9.8 N/kg (on Earth).

PEgrav = mass • g • height

PEgrav = (2 kg) • (9.8 N/kg) • (10 m)

PEgrav = 196 N*m

1 N*m = 1 Joule

PEgrav = 196 J

C. at 200 J comes close.  The solution probably used a value of g equal to 10 N/kg)

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A toy balloon blown upto 10° C has a
larisa86 [58]

Answer:

this is an example

Explanation:

Yes, the balloon will burst at room temperature.

As we know that, 480 x 7/8 = 420 is the maximum Stretching capacity of the balloon.

b) V. / T. = V/T

Where

V = 480 ml and T. = 5 C(278 K)

And T= 30 C( 303 K)

V = V.T/T.

V = 480 x 303/278

V = 523.1 ml

b)V./V=T./T ?

Where

V = 480 ml and

T = 5 C (278 K)?

And V = 420 ml

T=T.V./V

=278 x 480/420

= 317.17 k

Therefore the balloon will burst at the temperature of 317.17 k

Also learn more

The temperature of 0.5 kg of water is 303 K. It is cooled to 278 K by keeping it in a refrigerator. what is the time taken by water to reach 278 K if 87.5 J of heat is given out in each second? ( specific heat capacity of water is 4200 J/kg K )

8 0
3 years ago
For group 1a metals, which electron is the most difficult to remove?
shtirl [24]

The periodic table contains groups and periods that include the elements. For group 1 metal lithium is least likely to lose an electron.

<h3>What are group 1 metals?</h3>

Group 1 metals are the alkali metals that include, Li, Na, K, Rb, and Cs. They show the property exhibited by the metals. The chemical trends of group 1 show that cesium loses an electron more easily than the other elements.

When going down the group the tendency to lose electrons increases as the atomic radius increases. The electron gets far away from the nucleus making it easy to get removed.

Therefore, lithium being the first element of the group has the smallest radii and is least likely to lose an electron.

Learn more about the group I metals here:

brainly.com/question/27187436

#SPJ4

4 0
2 years ago
¿QUE DATO DE LA CONFIGURACIÓN ELECTRÓNICA TE PERMITE UBICAR LOS ELEMENTOS QUÍMICOS EN LA TABLA PERIÓDICA?
Blababa [14]

The question is: WHAT DATA OF THE ELECTRONIC CONFIGURATION ALLOWS YOU TO LOCATE THE CHEMICAL ELEMENTS IN THE PERIODIC TABLE?

Explanation:

Elements which have same number of valence electrons tend to show similar chemical properties due to which they are placed in the same group.

Hence, electronic configuration of an element tells us the number of valence electrons present in an element. As a result, it becomes easy to locate the element in its respective group.

3 0
2 years ago
Use the ruler to determine the length of this object. Record your answer to the nearest tenth. The object is ____ long.
VLD [36.1K]
The object is 2.7 cm long
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3 years ago
Chemist question, helppp pls
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1: it is +2

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