The answer is divergent boundaries.
I hope this helps you!
A boiling pot of water (the water travels in a current throughout the pot), a hot air balloon (hot air rises, making the balloon rise) , and cup of a steaming, hot liquid (hot air rises, creating steam) are all situations where convection occurs.
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Answer:
21.5 m/s
Explanation:
KE at bottom = PE at top
½ mv² = mgh
v = √(2gh)
v = √(2 × 9.8 m/s² × 23.5 m)
v = 21.5 m/s
Answer:
F<em>lift=</em>5.00×10³ N
F<em>horizontal</em>=0.50×10³ N
F<em>g</em>=4.80×10³ N
Explanation:
A free-body diagram of the glider.
pretend this is a number line
^
| F<em>lift</em>
|
|
|---->F<em>horizontal</em>
|
| F<em>g</em>
|
∨
hope this helps! :)
Answer:
a) 12.528 m/s
b) 15.344 m/s
Explanation:
Given:
Mass of the child, m = 34.9 kg
Height of the water slide, h = 16.0 m
Now,
a) By the conservation of energy,
loss in potential energy = gain in kinetic energy
mgh = 
where,
g is the acceleration due to the gravity
v is the velocity of the child
thus,
at halfway down, h = 
= 8 m
therefore,
34.9 × 9.81 × 8 = 
or
v = 12.528 m/s
b)
at three-fourth way down
height = 
= 12 m
thus,
loss in potential energy = gain in kinetic energy
34.9 × 9.81 × 12 =
or
v = 15.344 m/s
