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Nookie1986 [14]
3 years ago
10

A stone falls from ledge and takes 16 seconds to hit ground. The stone has an original velocity 0 m/s, How tall is the ledge?

Physics
1 answer:
Darina [25.2K]3 years ago
8 0
The answer to that is 4100 feet
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The coefficient of kinetic friction between an object and the surface upon which it is sliding is 0.40 the weight of the object
Ann [662]

The frictional force of an object is the product of the normal force and coefficient of kinetic friction. Here the frictional force acting on the object  is 16.4 N.

<h3>What is frictional force?</h3>

Frictional force is a kind of force acting on a body to resist it from motion. Thus, the direction of the force will be in negative with the magnitude. Frictional force is the product of coefficient of friction and the normal force.

The normal  force acting on the object of mass 4.2 Kg is N = mg

N = 4.2 Kg × 9.8 m/s² = 41.16 N

Frictional force = ц N

                         = 0.40 × 41.16 N

                         = 16.4 N.

Therefore, the frictional force acting between the surface of the object and the floor is 16.4 N

To find more on frictional force, refer here:

brainly.com/question/1714663

#SPJ1

Your question is incomplete. But your complete question probably was:

The coefficient of kinetic friction between an object and the surface upon which it is sliding is 0.40 the weight of the object is 4.2 kg. What is the frictional force of the object?

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1 year ago
two metal plates are near each other. explain why they will not become charged until connected to a souce of potential differenc
scZoUnD [109]

Answer:

idk

Explanation:

7 0
3 years ago
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