Answer:
It always takes energy to change the motion of an object.
Atoms and molecules<span> in liquids and gases are bouncing and floating around, free to move where they want. The </span>molecules<span> in a solid are stuck in a specific </span>structure<span> or arrangement of atoms. The atoms still vibrate and the </span>electrons<span> fly around in their </span>orbitals<span>, but the entire atom will not change its </span>position<span>.</span>
Answer:
A. 0N
Explanation:
assume you're pulling in the positive direction, then we have 5 + (-5) = netforce = 0N
<span>Answer:
NASA in US using its super powerful telescope checks all the meteorites ,asteroids that may land on Earth. It deflects the asteroids ,meteorites from their respective path using copper ball . But it is not wholly practical as sometimes these meteorites get enter into key hole .</span>
Answer:
Time= t= 1.67 secs
Explanation:
Time= t=?= 1.67 secs
Initial Velocity= Vi = 2m/s
Final Velocity= Vf = 4m/s
Average Acceleration= av= Vf-Vi/t
Putting the values : 1.2m/s²= 4-2/t
Rearranging: t= 2/1.2= 1.67 secs