Kids are pelting a window with snowballs. On average, two snowballs of roughly 300-g mass hit the window each second, moving horizontally at some 10 m/s. The snowballs drop vertically to the ground after hitting the window.

Required:
Estimate the average force exerted on the window.

The average force exerted on the window due to two snowballs is 6 N

Explanation:

Given:

Mass of snowballs Kg

Velocity of snowball

For finding the average force,

Force is equal to the change in momentum,

Here, final velocity is zero so we write,

Where sec

N

Above value of force is due to one ball, but here given in question there are two ball,

N

Therefore, the average force exerted on the window due to two snowballs is 6 N

the aurora is formed when charged particles emitted from the sun during a solar flare penetrate the earth's magnetic shield and collide with atoms and molecules in our atmosphere. these collisions result in countless little bursts of light, called photons, which make up the aurora.

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