Answer:
In our project, we have a class one lever that is hit by a pulley basket, thus letting a ball roll down.
Explanation:
Answer:
Explanation:
At room temperature the thickness of the film is just enough that it will cancel the reflected light
So here we will have
so we have
here we have
now we have
now when temperature is increased to 177 degree C
then in this case we have
now we have
now we know by the formula of thermal expansion
D
It’ll maintain its speed until a force acts upon it
The egg was dropped from a height of 24.7 m (free fall motion)
Explanation:
The motion of the egg is a free fall motion (uniformly accelerated motion), so we can use the following suvat equation:
where
v is the final velocity
u is the initial velocity
a is the acceleration
s is the displacement
For the egg in this problem, we have:
u = 0 is the initial velocity
v = 22 m/s is the final velocity
is the acceleration of gravity
s is the vertical displacement (the height from which the egg was dropped)
Solving for s, we find:
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