Question

What is the horizontal component of acceleration of a projectile in projectile motion, AND what is the horizontal component of velocity of a projectile in projectile motion? Please assume that there is no air resistance? Please explain your answer in a short paragraph and type in any calculations you would need to determine this. in a problem.

Answer 1

In a projectile motion, the acceleration is juust because due to gravity and the gravity always acts vertically downwards, thus acceleration does not have any horizontal component i.e the horizontal component of the acceleration is zero. also no other external force acts in thehorizontal direction.

a_x=0

when we resolve the velocity of the projectile into its respective components taking a angle of projection (theta) from the horizontal then we get the horizontal component of the velocity as u_x= ucos(theta) as shown by the figure attached.

Solution In a Projectile motion the acceleration is just because due to gravity and the gravity always acts ver sestically downwards and hence there is no component of acceleration in the horizontal i.e. as = 0 No force 1other force is acting on the horiz- ontal direction. The horizontal component of velocity ab projectile is By Resolving velocity the u cas o und Do ucaso Thus horizontal component is ucaso