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
h = 55 mv0​ = 12 m/sx = ?

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

v0 = 12 m/sθ = 0°h = 55 mg = 9.81 m/s²
x = m
2.Easy
h = 5 mv0​ = ?x = 16 m

A stone is thrown horizontally from the top of a 5 m high wall and lands 16 m from the foot of the wall. Ignore air resistance and use g = 9.81 m/s². Find the launch speed v0.

h = 5 mx = 16 mg = 9.81 m/s²
v0 = m/s
3.Medium
v0​ = ?30°R = 130 m

A ball is launched from level ground at 30° above the horizontal and lands 130 m away. Ignore air resistance and use g = 9.81 m/s². Find the launch speed v0.

θ = 30°R = 130 mg = 9.81 m/s²
v0 = m/s
4.Medium
v0​ = 40 m/s20°range

A ball is launched at 20° above horizontal from level ground. Ignore air resistance. Find the time of flight t until the ball hits the ground.

v0 = 40 m/sθ = 20°g = 9.81 m/s²
t = s
5.Hard
h = 35 mv0​ = 18 m/s50°v = ?

A ball is launched at 18 m/s and 50° above the horizontal from the top of a 35 m cliff. Ignore air resistance and use g = 9.81 m/s². Find the speed v with which it hits the ground.

v₀ = 18 m/sθ = 50°h = 35 mg = 9.81 m/s²
v = m/s
6.Hard
h = 5 mv0​ = 17 m/s20°x = ?

A ball is launched at 20° above horizontal from the top of a 5 m cliff. Ignore air resistance. Find the horizontal distance x travelled before the ball hits the ground.

v0 = 17 m/sθ = 20°h = 5 mg = 9.81 m/s²
x = m

Answer key

  1. 1. x = 40.18 m
  2. 2. v0 = 15.85 m/s
  3. 3. v0 = 38.37 m/s
  4. 4. t = 2.789 s
  5. 5. v = 31.79 m/s
  6. 6. x = 28.17 m

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