Answer: Leandra puts on her mittens because if you do not you will burn your self, due to extremely high temperatures.
Explanation:
Momentum = mass x velocity, so 500kg x 2m/s = 1000 kg m/s
Answer:

Explanation:
Given that
At X=0 V=Vo
At X=X1 V=0
As we know that friction force is always try to oppose the motion of an object. It means that it provide acceleration in the negative direction.
We know that



So the friction force on the box
Ff= m x a

Where m is the mass of the box.
Explanation:
The magnetic needle of a compass lines up with Earth's magnetic poles.