Physics: What practical function is provided by the ionosphere? produces auroras charges atoms heats oxygen and nitrogen permits worldwide radio communication

8N is the net force on the object.Explanation:Given that,=20N is normal force acting upward (+20N)=14N is frictional force which is opposite to the applied force (-14N)22N is applied force which is applied on right side (+22N)=20N is gravitational force acting downward (-20N)We know that ,=applied force +frictional force+normal force +gravitational force 22+(-14)+ 20+(-20) 22-14+20-20Therefore the net force of the object be 8N....

What practical function is provided by the ionosphere?

Ответ:

ksiandua07

11.01.2022

Physics

Worldwide Radio Communication

Explanation:

The ionosphere is important because it is through the ionosphere that world wide radio communication is possible.

0,0(0 оценок)

Ответ:

snikergrace

10.09.2020

Physics

8N is the net force on the object.

Explanation:

Given that,

$\mathrm{F}_{\text {norm }}$ =20N is normal force acting upward (+20N)

$F_{\text {frict }}$ =14N is frictional force which is opposite to the applied force (-14N)

$\mathrm{F}_{\mathrm{app}}=$ 22N is applied force which is applied on right side (+22N)

$\mathrm{F}_{\mathrm{grav}}$ =20N is gravitational force acting downward (-20N)

We know that ,

$\text { Fnet }$ =applied force $\left(\mathrm{F}_{\mathrm{app}}\right)$ +frictional force $\left(F_{\text {frict }}\right)$ +normal force $\left(\mathrm{F}_{\mathrm{norm}}\right)$ +gravitational force $\left(F_{\text {grav}}\right)$