What is the momentum of a kid that is 23.3 kg and is running 2.1 m/s
1 answer:
is the "momentum" of a kid.
<u>Explanation</u>:
"Momentum" of an object is defined as the "velocity" changed by an object by moving the object from "one place" to "another place". The "Momentum" of an object is represented as "". It is the product of the "mass of object" and the "velocity of object". It is mathematically written as
.
Where, "m" is mass of object and "v" is velocity of object.
Given that,
Mass of a kid is 23.3 Kg.
Velocity of a kid is 2.1 m/s.
Now, to calculate momentum of the given object us the formula .
Plug the values,
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<h2>Answer: 540 J</h2>
Explanation:
The Work done by a Force
refers to the release of potential energy from a body that is moved by the application of that force to overcome a resistance along a path.
Now, when the applied force is constant and the direction of the force and the direction of the movement are parallel, the equation to calculate it is:
(1)
In this case both (the force and the distance in the path) are parallel (this means they are in the same direction), so the work performed is the product of the force exerted to push the box
by the distance traveled
.
Hence:
(2)