Vas happenin!!!
Hope your day is good
I would say observational tool
Hope this helps
*smiles*
Answer:

Explanation:
From the question we are told that:
coefficient of static friction 
Velocity 
Generally the equation for Conservation of energy is mathematically given by



Neutron Stars. Hope this helps!!
Visible light waves are the only electromagnetic waves we can see has the longest wavelength
The first collision because a greater amount of momentum must be taken and used in order to push the cart back, giving it a greater mass and impulse