(d) President McKinley did not want war.
        
                    
             
        
        
        
Fast Communication, can be used for good and can be used for bad hackers.
        
                    
             
        
        
        
Answer:

Explanation:
<u>2-D Projectile Motion</u>
In 2-D motion, there are two separate components of the acceleration, velocity and displacement. The horizontal component has zero acceleration, while the acceleration in the vertical direction is always the acceleration due to gravity. The basic formulas for this type of movement are






The projectile is fired in such a way that its horizontal range is equal to three times its maximum height. We need to find the angle \theta at which the object should be launched. The range is the maximum horizontal distance reached by the projectile, so we establish the base condition:


Using the formulas for 

Simplifying

Dividing by 

Rearranging



 
        
             
        
        
        
Answer:
vp = 0.94 m/s
Explanation
Formula
Vp = position/ time
position: Initial position - Final position
Position = 25 m - (-7 m) = 25 m + 7 m = 32 m
Then
Vp = 32 m / 34 seconds
Vp = 0.94 m/s
 
        
                    
             
        
        
        
(a) Fx = 1.464 N 
(b) Fy = 1.952 N
(c) F(x, y) = 1.464 i + 1.952 j
Given 
Mass = 1kg
Acceleration = 2.44 m/s2
Angle with positive X axis = 53°
As we know
F = ma
By substituting value 
F= 1×2.44 N
F= 2.44 N
(a)   Component of force in X direction 
Fx = F Cosθ
Fx = 2.44 Cos(53°)
Fx = 2.44 × 0.60 = 1.464 N
(b)	Component of force in Y direction
Fy = F Sinθ
Fy = 2.44 Sin(53°) = 2.44 × 0.80 = 1.952 N
(c)	Net force in vector notation
F(x, y) = 1.464 i + 1.952 j
Thus we got net force.
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