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# 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 |

Created by:
vahajuddin