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Andru [333]
3 years ago
14

a force of 500newtons is used to push a box of mass 45kg up a plane 3meters inclined at an angle of 40degrees to the horizontal.

Calculate the work done by the box​
Physics
1 answer:
Vinil7 [7]3 years ago
6 0
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A baseball player hits a ball with a bat. At one moment the force exerted by the bat on the ball is 18,000 N. At that same momen
11111nata11111 [884]

Answer:

Less than 18000N

Explanation:

Given

Force\ Exerted = 18000N

This question will be answered using Newton's third law.

Understanding this law, it implies that reaction force is equal and opposite to the force exerted.

This implies that;

If the force exerted on the ball is 18000N

the force exerted is -18000N

So, the option that answers the question is less than 18000N because -18000N < 18000N

5 0
2 years ago
The shortest path between two points is: <br><br> 1) displacement <br><br> 2) breadth
Studentka2010 [4]

Answer:

the shortest path between two points is displacement..

Explanation:

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4 0
3 years ago
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The ease with which a memory can be retrieved is influenced by all of the following EXCEPT
34kurt
Hi! I just took this lesson, the answer is: "The person's belief in the information"

I hope this helps!
4 0
3 years ago
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3. Magnetite is <br>a) Natural magnet <br>(b)Artificial magnet <br>(c) Not a magnet ​
andrey2020 [161]

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<em>Magnetite is a Natural magnet</em>

8 0
2 years ago
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An electric field of intensity 3.7 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.3
jekas [21]

Answer:

a)906.5 Nm^2/C

b) 0

c) 742.56132 N•m^2/C

Explanation:

a) The plane is parallel to the yz-plane.

We know that

flux ∅= EAcosθ

3.7×1000×0.350×0.700=906.5 N•m^2/C

(b) The plane is parallel to the xy-plane.

here theta = 90 degree

therefore,

0  N•m^2/C

(c) The plane contains the y-axis, and its normal makes an angle of 35.0° with the x-axis.

therefore, applying the flux formula we get

3.7×1000×0.3500×0.700×cos35°= 742.56132 N•m^2/C

4 0
2 years ago
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