Answer:
A new substance was formed
Explanation:
According to this question, a shiny and flexible metal called Magnesium (Mg) is burnt in air to produce a white powder that has no shiny or flexible properties, however, has more weight than the magnesium metal itself.
This is possible because a CHEMICAL CHANGE has occured, hence, a new substance has been formed. The formation of a new substance during the burning process (chemical reaction), induced the increase in mass.
Answer:
Explanation:
because it is a function of physics that will always be true, hope this helps :)
The answer to your question is 10.24
The child is thrown for 7 seconds
M1v1 + m2v2 = m1v1i + m2v2i
fill it in m1 = mass 1
m2 = mass 2
v1 = velocity 1
v2 = velocity 2
