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4.3 Exercise 12

Avg difficulty 2.5

A projectile is launched at an angle of 30°30 ° and lands 20 s later at the same height as it was launched. (a) What is the initial speed of the projectile? (b) What is the maximum altitude? (c) What is the range? (d) Calculate the displacement from the point of launch to the position on its trajectory at 15 s.

OpenStax University Physics Volume 1, 4.3 Projectile Motion, exercise 12

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.