Math Problem Statement

A golf ball is launched off the side of a cliff at 10m/s.  If it takes 5 seconds to fall, what is the range of the golf ball?

Solution

To solve for the range (horizontal distance) of the golf ball, we will use the following approach:

  1. Horizontal Motion: The horizontal velocity (vxv_x) remains constant because there are no forces acting in the horizontal direction (assuming air resistance is negligible). The horizontal range can be calculated using the formula:

    Range=vx×t\text{Range} = v_x \times t where:

    • vx=10m/sv_x = 10 \, \text{m/s} (the horizontal velocity),
    • t=5secondst = 5 \, \text{seconds} (the time of flight, which is given by the time it takes to fall).
  2. Calculating the Range: Range=10m/s×5seconds=50meters\text{Range} = 10 \, \text{m/s} \times 5 \, \text{seconds} = 50 \, \text{meters}

Thus, the range of the golf ball is 50 meters.

Would you like further details on the vertical motion or any clarifications?

Here are some related questions you might want to explore:

  1. How high is the cliff if the ball takes 5 seconds to fall?
  2. What would happen if the launch velocity was doubled?
  3. How would the range be affected if the golf ball was launched upward at an angle?
  4. What is the effect of air resistance on the golf ball's range?
  5. How does the mass of the golf ball affect its motion in this scenario?

Tip: In projectile motion, the horizontal and vertical motions are independent of each other.

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Math Problem Analysis

Mathematical Concepts

Projectile Motion
Kinematics
Horizontal and Vertical Motion

Formulas

Range = v_x × t
v_x = horizontal velocity
t = time of flight

Theorems

Independence of horizontal and vertical motions in projectile motion

Suitable Grade Level

Grades 9-11