1. Chapter 4 sections 4-5
Projectile Motion

2. Figure 4-8 Range of a Projectile

3. Figure 4-11a Range and Launch Angle in the Absence of Air Resistance

4. All three projectiles are launched with the same speed
All three projectiles are launched with the same speed. What can be said about the launch angles in the three cases?
Angles are measured w.r.t. the x axis.
(a) was greater than 45, (b) equal to 45, (c) less than 45 degrees.
(a) was greater than 45, (b) and (c) less than 45.
(a) was less than 45, (b) was equal to 45, (c) was greater than 45 degrees.
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