The force exerted by gravity is:
F = m g
F = 3300 kg * 9.8 m/s^2
F = 32,430 N
 
The force exerted due to the inclined plane is:
F tractor = 32,430 N * sin 14
<span>F tractor = 7,823.75 N      (answer)</span>
 
        
             
        
        
        
She could tell by how many components she put in. The compounds, are like the ingredients. The Mixture is all the ingredients stirred together.
        
                    
             
        
        
        
Answer:

Explanation:
Given:
- mass of rocket, 

 
- time of observation, 

 
- mass lost by the rocket by expulsion of air, 

 
- velocity of air, 

 
<u>Now the momentum of air will be equal to the momentum of rocket in the opposite direction: </u>(Using the theory of elastic collision)



 
        
             
        
        
        
Answer:

Explanation:
Given:
angular speed of rotation of friction-less platform, 
moment of inertia with extended weight, 
moment of inertia with contracted weight, 
<u>Now we use the law of conservation of angular momentum:</u>



The angular speed becomes faster as the mass is contracted radially near to the axis of rotation.
 
        
             
        
        
        
Answer:
CH4
Explanation:
CH4 is joined together by a covalent bond, aka a bond between two non-metals. Non-metals are found on the right side of the periodic table and include Carbon (C) and Hydrogen. Although Hydrogen is technically on the left side of the table, it has the characteristics of a non-metal. Futhermore, Ionic bonds generally are between an element on the right joined with an element on the left. This is because ionic bonds want charges that will cancel out to create a neutral molecule. 
example: LiF
Li→ Li+
F→F-
(Li+)+(F-)=charges cancel out.