Answer:
 speed of the charge electric is  v = - (Eo q/m) cos t
Explanation:
The electric charge has a very small mass so it follows the oscillations of the electric field. We force ourselves on the load,
           F = q Eo sint
a) To find the velocity of the particle, let's use Newton's second law to find the acceleration and of this by integration the velocity
         F = ma
         q Eo sint = ma
         a = Eo q / m sint
         a = dv / dt
         dv = adt
         ∫ dv = ∫ a dt
         v-vo = I (Eoq / m) sin  t dt
         v- vo = Eo q / m (-cos t)
We evaluate the integral from the initial point, as the particle starts from rest Vo = 0, for t = 0
         v = - (Eo q / m) cos t
b) Kinetic energy
         
          K = ½ m v2
           K = ½ m (Eoq / m)²2 (sint)²
          K = ¹/₂  Eo² q² / m sin² t
c) The average kinetic energy over a period
           K = ½ m v2
          <v2> = (Eoq / m) 2 <cos2 t>
The average of cos2 t = ½, substitute and calculate
           K = ½ m (Eoq / m)²  ½
           K = ¼ Eo² q² / m
 
        
             
        
        
        
 I believe yes they do hope this helps
        
                    
             
        
        
        
Answer:
Sunlight
Explanation:
Sunlight is necessary in photosynthesis, which provides the main form of energy that plants use, glucose. Water (H2O) is also important because it forms part of glucose and is necessary in the process.
 
        
             
        
        
        
<h2>
Velocity of the boat with respect to Earth is 5 m/s 56.31° north of east</h2>
Explanation:
A boat heads north in still water at 4.5 m/s directly across a river that is running east at 3.0 m/s.
Let north be positive y axis and east be positive x axis.
We have
          Velocity of boat = 4.5 j m/s
           Velocity of river = 3 i m/s
Velocity of the boat with respect to Earth = 3 i + 4.5 j


That is 56.31° north of east.
Velocity of the boat with respect to Earth is 5 m/s 56.31° north of east
 
        
        
        
Fluids are liquid or gases
different particles make up fluids and are constantly bouncing in a high random motion