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VashaNatasha [74]
3 years ago
11

SILVER PACKAGE

Physics
1 answer:
mote1985 [20]3 years ago
5 0
U=mgh
U=10*9.8*20
U=1960
Answer is D
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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar. In a survey conduc
jarptica [38.1K]

Answer: The expected population that wants flexible working hours in ranging from 58% to 62 %.

Explanation:

Percentage of sample respondents agreed for flexible working hours = 60%

The margin of the error = ± 2%

The expected population that wants flexible working hours in ranging from:

\text{percentage of agreed}-2\% lower range

\text{percentage of agreed}+\2% upper range

60\%-2\% to 60\%+2\% that is 58% to 62 %.

The expected population that wants flexible working hours in ranging from 58% to 62 %.

3 0
4 years ago
This mathematical model describes the changes that occur in a sample of
True [87]

The correct answer is D. The movement of the molecules will gradually increase.

Explanation:

At the beginning of the model the state of matter of the water is solid, in this, particles have a defined arrangement and are together, which stops particles from moving freely and only allows them to vibrate. However, as the substance is heated the thermal energy (heat) increases in the sample, this causes particles to move more and the arrangement of it changes. Due to this, when the ice melts and there is liquid water particles move more than in solid states, which makes ice lacks a defined shape. Moreover, as the heat continues to increase the thermal and kinetic energy (movement) increases, indeed in gas state (water vapor) particles will move freely. This means the movement or kinetic energy in particles gradually increases in the model.

8 0
3 years ago
It is hot outside, and the air conditioning has been turned on inside two buildings. Building A's walls contain insulation, but
Vilka [71]

Answer:

building A because the insulation will keep the air in the building while more so building b will let the air flow out because there is no insulation

Explanation:

3 0
3 years ago
Runner 1 has a velocity of 10 m/s west. Runner 2 has a velocity of 7 m/s east. From the frame of reference of runner 2, what is
Vsevolod [243]

Answer:

<em>17 m/s west</em>

Explanation:

Runner 1 has velocity = 10 m/s west

runner 2 has velocity = 7 m/s east

From the frame of reference of runner 2, we can imagine runner 2 as standing still, and runner 1 moving away from him, towards the west with their combined velocity of

velocity = 10 m/s + 7 m/s = <em>17 m/s west</em>

5 0
3 years ago
A difference in electric potential is commonly known as voltage, and is provided by standard batteries. If you built two identic
Lapatulllka [165]

Answer:

higher

Explanation:

A bigger voltage will result in a faster movement of charge.

8 0
4 years ago
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