One horsepower is a unit of power equal to 746 W. How much energy can a 150 horsepower engine transform in 10.0 seconds
1 answer:
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The acceleration of an object in free fall is
Explanation:
We can solve the problem by using Newton's second law of motion, which states that:
where
F is the net force on an object
m is the mass of the object
a is its acceleration
For the object in this problem, we have:
m = 9.9 kg is its mass
F = 97.02 N is the net force on the object
So, we can rearrange the equation to find its acceleration:
This value is actually known as acceleration of gravity (g), and it is the acceleration that any object in free fall has near the Earth's surface, regardless of its mass.
Learn more about Newton's second law here:
And about free fall:
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Answer:
The speed of sound in a rod made of the material is 3215.52 m/s.
Explanation:
The speed of sound can be found using the formula:
Where s is the stiffness, m the atomic mass and d is the length of the interatomic bond.
You just have to correctly replace these values in the formula above.
V= 3215.52 m/s