A Plane Moving 200 M/s Horizontally Fires a Projectile with Speed

question 34

Multiple Choice

A plane moving 200 m/s horizontally fires a projectile with speed 50 m/s in a forward direction 30.0° below the horizontal. At that instant, what is the speed of the projectile with respect to a
Stationary observer on the ground?

• A) 268 m/s
• B) 293 m/s
• C) 245 m/s
• D) 250 m/s