This is called thermal energy b.
Each of the particle of the substance is usually in motion and the motion of such produces heat.
And the energy associated with heat is the thermal energy.
<span>a. How much time elapses from start to stop
v = u + at
20 = 0 + 2t1
t1 = 10 sec
2nd phase:
v = u - at
0 = 20 - 1 x t2
t2 = 20 sec
total time = t1+t2 = 10 + 20 = 30 sec
b.</span><span>1st phase:
s = ut + 1/2at^2
s1 = 0 + 1/2 x 2 x (10)^2
s1 = 100 m
</span><span>2nd phase:
By s = ut - 1/2at^2
s2 = 20 x (20) - 1/2 x 1 x (20)^2
s2 = 200 m
total distance(s) = s1+s2 = 100 + 200 = 300 m
</span>
hope this helps
Answer:
B. Globular clusters
are scattered throughout the galactic halo that surrounds the Milky Way.
Explanation:
Answer:
Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.
Answer:
Hammer
Anvil
Stirrup
Explanation:
The three tiny bones in the ear drum are:
Hammer, this is also known as malleus and it is attached to the eardrum
Anvil, this is also called incus and it found with the chain of bones in the middle ear.
Stirrup, also known as stapes and it attached to the membrane covered opening that connects the middle ear with the inner ear.
