Answer:Pluto shares it general orbit with a number of other similar objects while they’re calling Kuiper belt objects. 
Explanation:
 
        
                    
             
        
        
        
Answer:
The bicyclist's acceleration is 2.2m/s^2
Explanation:
Given
 ---- Initial Velocity
 ---- Initial Velocity
 ---- Final Velocity
 ---- Final Velocity
 ---- Time
 ---- Time
Required
Determine the acceleration
This will be solved using the first equation of motion

Substitute values for v, u and a


Collect Like Terms


Solve for a

 ---- (approximated)
 ---- (approximated)
<em>Hence, the bicyclist's acceleration is 2.2m/s^2</em>
 
        
             
        
        
        
C. Seismic energy
This is energy that is released in earthquakes. 
        
                    
             
        
        
        
Answer:
3.38 m/s
Explanation:
Mass of child = m₁ = 25
Initial speed of child = u₁ = 5 m/s
Initial speed of cart = u₂ = 0 m/s
Mass of cart = m₂ = 12 kg
Velocity of cart with child on top = v
This is a case of perfectly inelastic collision

Velocity of cart with child on top is 3.38 m/s