How Does Earth's gravitational force field act on objects that aren't touching Earth's surface?

Physics

1 answer:

natali 33 [55]2 years ago

8 0

Answer:

Explanation:

Gravity is a field force since the earth does not have to actually “touch” an object to pull it toward the earth. A magnetic force is a field force that attracts or repels another magnet. Likewise, electric charges cause attracting or repelling forces without actual contact between the charges

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In an alcohol-in-glass thermometer, the alcohol column has length 12.66 cm at 0.0 ∘C and length 22.49 cm at 100.0 ∘C. Part A Wha

anygoal [31]

Answer:

$62.1566632757\ ^{\circ}C$

$15.9715157681\ ^{\circ}C$

Explanation:

$\Delta T$ = Change in termperature

$\Delta L$ = Change in length

We have the relation

$\dfrac{\Delta L}{\Delta T}=\dfrac{22.49-12.66}{100-0}=\dfrac{18.77-12.66}{t-0}\\\Rightarrow t=\dfrac{18.77-12.66}{0.0983}\\\Rightarrow t=62.1566632757\ ^{\circ}C$

The temperature is $62.1566632757\ ^{\circ}C$

$\dfrac{\Delta L}{\Delta T}=\dfrac{22.49-12.66}{100-0}=\dfrac{14.23-12.66}{t-0}\\\Rightarrow t=\dfrac{14.23-12.66}{0.0983}\\\Rightarrow t=15.9715157681\ ^{\circ}C$