contestada

which statement describes the horizontal motion of a horizontally launched projectile?

A. the projectile’s acceleration is zero, so it’s velocity is zero.

B. the projectile’s acceleration is -9.8m/s^2, so its velocity is changing.

C. the projectile’s acceleration is zero, so it’s velocity is constant.

D. the projectile’s acceleration is -9.8m/s^2, so its velocity is constant.

Respuesta :

AL2006
There are no horizontal forces on a projectile. 
No matter what direction a projectile is launched,
its horizontal acceleration is zero, so the horizontal
component of its velocity is constant. (C)

The correct option is C. the projectile’s acceleration is zero, so it’s velocity is constant.

The following information should be considered;

  • We know that there are no horizontal forces on a projectile.
  • also, there is No matter what direction a projectile is launched,its horizontal acceleration should be zero.

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