The elastic potential energy of the spring is 6.8 J
Explanation:
The elastic potential energy of a compressed/stretched spring is given by the equation:
where
k is the spring constant
x is the elongation of the spring
The spring constant of the spring in this problem can be found by keeping in mind the relationship between force (F) and elongation (x) (Hooke's law):
By looking at the graph and comparing it with the formula, we realize that the slope of the force-elongation graph corresponds to the spring constant. Therefore in this case,
Therefore when the spring has a elongation of 
, its potential energy is
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Answer:
50 ms⁻¹
Explanation:
Given that,
Distance Travelled =2000 meters
Time Taken =40 seconds
velocity = ?
we know,
velocity = Distance / Time
=(2000 / 40) ms⁻¹
=50 ms⁻¹
Answer:
steal and wood depends on the type, since there are some that are more than steel and on type of wood when translated is literally called axe breaker
Explanation:
e
Answer:
98.1 Joule
Explanation:
Solution,
⇒Mass(m)=10kg
⇒Weight(F)=Mg=10×9.81=98.1N
⇒Distance(d)=1m
Now,
Work done=F×d
=98.1×1
=98.1J
Well first of all, a planet doesn't have a semimajor axis, although it's orbit does.
In an orbit with a smaller semimajor axis, the planet moves faster, and its orbital period is shorter.
That's why the International Space Station circles the Earth in less time than the Moon does.
