A 70 kg meteor smashes into the earth, hitting with 100,000 N of force. If the object was originally traveling at 20,000 m/s, how long will it take it to come to a rest?

t = 14 s

Explanation:

First, we need to find the acceleration of the meteor by using Newton's s Second Law, as follows:

where,

F = Unbalanced Force = 100000 N

m = mass of meteor = 70 kg

a = acceleration of meteor = ?

Therefore,

a = -1428.57 m/s² (negative sign de to deceleration)

Now, we use general formula of acceleration to find time:

where,

t = time taken = ?

Δv = change in speed = 0m/s - 20000 m/s = - 20000 m/s

Therefore,

t = 14 s

when cloud cover increases then the suns ray's which provides the earth with light and warmth gets covered due to the due to the suns ray's being blocked, the temperature in that region

therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

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probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop