click below
click below
Normal Size Small Size show me how
Projectile Review 2
projectiles part two
Question | Answer |
---|---|
what is the horizontal acceleration for all projectiles? | 0 |
What is the vertical acceleration for all projectiles? | -9.8 m/s2 |
What is the vertical velocity at the top of the path of a projectile thrown straight up or launched at an angle? | 0 |
What is the vertical acceleration at the top of the path of a projectile? | -9.8 m/s2 |
What kind of path or trajectory does a projectile follow? | parabola |
What equals zero only for projectiles launched horizontally? | Viy |
For a projectile launched at an angle that returns to the same height as launched: How does the time to rise compare to the time to fall? | equal |
For a projectile launched at an angle that returns to the same height as launched: How does the final horizontal velocity compare to the initial horizontal velocity? | equal |
For a projectile launched at an angle that returns to the same height as launched: How does the final vertical velocity compare to the initial vertical velocity? | opposite |
What physical quantity is the same for both horizontal and vertical motions? | time |