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 25 m high wall and lands 24 m from the foot of the wall. Ignore air resistance and use g = 9.81 m/s². Find the launch speed v₀.

h = 25 mx = 24 mg = 9.81 m/s²

v₀ = m/s

2.Easy

A stone is thrown horizontally from the top of a 15 m high wall and lands 46 m from the foot of the wall. Ignore air resistance and use g = 9.81 m/s². Find the launch speed v₀.

h = 15 mx = 46 mg = 9.81 m/s²

v₀ = m/s

3.Medium

A ball is launched at 55° above horizontal from level ground. Ignore air resistance. Find the horizontal distance x travelled before the ball hits the ground.

v₀ = 14 m/sθ = 55°g = 9.81 m/s²

x = m

4.Medium

A ball is launched at 70° above horizontal from level ground. Ignore air resistance. Find the time of flight t until the ball hits the ground.

v₀ = 18 m/sθ = 70°g = 9.81 m/s²

t = s

5.Hard

A ball is launched at 25° above horizontal from the top of a 55 m cliff. Ignore air resistance. Find the horizontal distance x travelled before the ball hits the ground.

v₀ = 19 m/sθ = 25°h = 55 mg = 9.81 m/s²

x = m

6.Hard

A ball is launched at 20° above horizontal from the top of a 55 m cliff. Ignore air resistance. Find the time of flight t until the ball hits the ground.

v₀ = 34 m/sθ = 20°h = 55 mg = 9.81 m/s²

t = s

Answer key

1. v₀ = 10.63 m/s
2. v₀ = 26.3 m/s
3. x = 18.77 m
4. t = 3.448 s
5. x = 73.45 m
6. t = 4.738 s

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