A motorboat accelerates uniformly from a velocity of 6.5m/s
to the west to a velocity of 1.5m/s to the west. if its accelerate was 2.7m/s2
to the east ,
how far did it travel during the accelration? Give your
answer in units of kilometers per hour/sec. To find the acceleration of the car
we have to
<span>
1.   First determine
the suitable formula for this word problem. 
Which is a.   A=vf-vi/t</span>
which will be
 
Given are: Vi= 6.5 m/s Vf= 1.5 m/s a= 2.7 m/sec2 t=1.85s 
 Solution:
<span>
x = v0t + ½at2</span>
<span>x = <span>16.645375 m </span></span>
 
 
        
             
        
        
        
Answer:
B
Explanation:
 A diverging lens forms a virtual image that is as the same size as the object 
 
        
             
        
        
        
Answer:
a) 37.70 m/s
b)710.6 m/s²
Explanation:
Given that ;
Mass of object = 2 kg
Radius of the motion = 2m
Frequency of motion = 3 rev/s
The formula to apply is;
v= 2πrf   where v is linear speed
v = 2×π×2×3 =12π = 37.70 m/s
Centripetal acceleration is given as;
a= 4×π²×r×f²  
a= 4×π²×2×3²
a=710.6 m/s²
 
        
             
        
        
        
If a bus travels 30 km in 1/2 hr, then in one hr, he can travel twice the distance.
30*2=60 km
Final answer: 60 km per hr