Trajectory: Definition & Equation


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question 1 of 3

Assume an object is launched at a certain angle above the ground, with a certain initial velocity, over completely level ground and with no air resistance. Which of the following is false concerning its ballistic trajectory?

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1. In 2009, the average big-league, home run ball was hit at an angle of about 30 degrees above the ground and an initial velocity of 100 MPH (about 147 ft/sec). How far away would the average home run ball land, assuming that the landing point is at the same elevation as home plate, no air resistance and the ball doesn't hit any obstructions?

2. A record-holding 'human cannonball' is shot from a cannon at an initial velocity of 110 ft/sec. The cannon is raised to an angle of 40 degrees. How high will the performer travel above the ground and how long will it take to get there?

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About This Quiz & Worksheet

To compute the ballistic trajectory of an object, you will need to make several calculations using trigonometry. This quiz will test your understanding of how to determine an object's ballistic trajectory. Calculations you'll be assessed on include how to determine the horizontal and vertical trajectory components, time to maximum flight, and loft angle.

Quiz & Worksheet Goals

In these assessments you'll be tested on

  • Calculating ballistic trajectory
  • Using loft angles to determine golfing distances
  • How vertical and horizontal components affect trajectory

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on computing ballistic trajectories
  • Problem solving - use acquired knowledge to solve ballistic trajectory practice problems
  • Defining key concepts - ensure that you can accurately define main phrases, such as loft angle and total horizontal distance traveled formula

Additional Learning

To learn more about how to determine the ballistic trajectory of an object, review the accompanying lesson titled Trajectory: Definition & Equation. This lesson covers the following objectives:

  • Learn about what factors influence an object's ballistic trajectory
  • Understand the formulas necessary to compute the horizontal and vertical movement of an object
  • Know how to use trigonometry to perform all the calculations that determine ballistic trajectory