Projectile motion worksheet with answers

Free printable Projectile motion worksheet: 6 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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1.Easy

A stone is thrown horizontally from the top of a 65 m high wall and lands 18 m from the foot of the wall. Ignore air resistance and use g = 9.81 m/s². Find the launch speed v₀.

h = 65 mx = 18 mg = 9.81 m/s²

v₀ = m/s

2.Easy

A stone is thrown horizontally from the top of a 35 m high wall and lands 36 m from the foot of the wall. Ignore air resistance and use g = 9.81 m/s². Find the launch speed v₀.

h = 35 mx = 36 mg = 9.81 m/s²

v₀ = m/s

3.Medium

A ball is launched from level ground at 25° above the horizontal and lands 10 m away. Ignore air resistance and use g = 9.81 m/s². Find the launch speed v₀.

θ = 25°R = 10 mg = 9.81 m/s²

v₀ = m/s

4.Medium

A ball is launched at 30° above horizontal from level ground. Ignore air resistance. Find the time of flight t until the ball hits the ground.

v₀ = 26 m/sθ = 30°g = 9.81 m/s²

t = s

5.Hard

A ball is launched at 25° above horizontal from the top of a 40 m cliff. Ignore air resistance. Find the time of flight t until the ball hits the ground.

v₀ = 24 m/sθ = 25°h = 40 mg = 9.81 m/s²

t = s

6.Hard

A ball is launched at 55° above horizontal from the top of a 50 m cliff. Ignore air resistance. Find the time of flight t until the ball hits the ground.

v₀ = 18 m/sθ = 55°h = 50 mg = 9.81 m/s²

t = s

Answer key

1. v₀ = 4.945 m/s
2. v₀ = 13.48 m/s
3. v₀ = 11.32 m/s
4. t = 2.65 s
5. t = 4.071 s
6. t = 5.032 s

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