Proceed to go when the light turns green with caution watching out for other drivers to prevent and accident
That part of the wave is called a compression.
Friction can be reduced by making the surface smoother, lubricating the surface, or reducing the contact between the forces.
Hope this helps!
Complete question
A cannon with a muzzle velocity of 500. meters per second fires a cannonball at an angle of 30.° above the horizontal. What is the vertical component of the cannonball's velocity as it leaves the cannon?
A 0.0 m/s
B 250. m/s
C 433 m/s
D 500. m/s
Answer:
The correct option is C
Explanation:
From the question we are told that
The velocity is 
The angle is 
Generally the vertical component of the canon ball is mathematically represented as

=> 
=> 