They believe a large gas cloud in space was condensed into what we now call the sun.
The sound takes 0.2 seconds to go to the hill and come back, so it would take 0.1 seconds to get to the hill. then v=d/t; v=33.2/0.1
v=332m/s
Extension of the elbow? im not sure
For the given problem, we calculate the required time by
using the formula P = W/t.
P = [(1/2)mv_f^2 – (1/2)mv_i^2]/ t
The car accelerates from 0 -58 mph, so the power engine will
be
P = (1/2) x m x 58^2 / t = 1682 m / t
According to the problem, the engine produces full power so
the time required can be calculated as
420.5 m / 1.40 = 1682 m / t
t = 5.6 seconds
Answer: Bonds between atoms break and new bonds form.
Explanation:
A chemical reaction takes place when bonds between atoms of the reactants break and new bonds form in the product.
An endothermic chemical reaction requires energy to break the bonds and an exothermic reaction releases energy.
Reactants go into a reaction and products come out.
Chemical reaction:
A + B ⇒ AB
where A and B are reactants and AB is the product. Atomic bonds of A and B break to form new bonds in the product AB