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 ball is launched horizontally from the top of a 10 m cliff. Ignore air resistance. Find the time of flight t until the ball hits the ground.

v₀ = 22 m/sθ = 0°h = 10 mg = 9.81 m/s²

t = s

2.Easy

A stone is thrown horizontally from the top of a 55 m high wall and lands 40 m from the foot of the wall. Ignore air resistance and use g = 9.81 m/s². Find the launch speed v₀.

h = 55 mx = 40 mg = 9.81 m/s²

v₀ = m/s

3.Medium

A ball is launched at 60° above horizontal from level ground. Ignore air resistance. Find the horizontal distance x travelled before the ball hits the ground.

v₀ = 16 m/sθ = 60°g = 9.81 m/s²

x = m

4.Medium

A ball is kicked from level ground at 20 m/s and 70° above the horizontal towards a wall 21 m away. Ignore air resistance and use g = 9.81 m/s². At what height y does the ball pass the wall?

v₀ = 20 m/sθ = 70°x = 21 mg = 9.81 m/s²

y = m

5.Hard

A ball is launched at 35° 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 = 32 m/sθ = 35°h = 55 mg = 9.81 m/s²

x = m

6.Hard

A ball is thrown from ground level at 35 m/s and 70° above the horizontal. It lands on the flat roof of a building 7 m high, on its way down. Ignore air resistance and use g = 9.81 m/s². Find the horizontal distance x from the launch point to where it lands.

v₀ = 35 m/sθ = 70°h_roof = 7 mg = 9.81 m/s²

x = m

Answer key

1. t = 1.428 s
2. v₀ = 11.95 m/s
3. x = 22.6 m
4. y = 11.47 m
5. x = 149.6 m
6. x = 77.63 m

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