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 = 15 mv0​ = 7 m/sv = ?

A ball is thrown horizontally at 7 m/s from the top of a 15 m cliff. Ignore air resistance and use g = 9.81 m/s². Find the speed v with which it hits the ground.

v₀ = 7 m/sh = 15 mg = 9.81 m/s²
v = m/s
2.Easy
h = 10 mv0​ = 8 m/srange

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 = 8 m/sθ = 0°h = 10 mg = 9.81 m/s²
t = s
3.Medium
v0​ = 34 m/sθ = ?R = 80 m

A ball is launched from level ground at 34 m/s and must land 80 m away. Ignore air resistance and use g = 9.81 m/s². Find the smaller of the two possible launch angles θ.

v₀ = 34 m/sR = 80 mg = 9.81 m/s²
θ = °
4.Medium
v0​ = 30 m/s70°x = ?

A ball is launched at 70° above horizontal from level ground. Ignore air resistance. Find the horizontal distance x travelled before the ball hits the ground.

v0 = 30 m/sθ = 70°g = 9.81 m/s²
x = m
5.Hard
h = 20 mv0​ = 33 m/s25°range

A ball is launched at 25° above horizontal from the top of a 20 m cliff. Ignore air resistance. Find the time of flight t until the ball hits the ground.

v0 = 33 m/sθ = 25°h = 20 mg = 9.81 m/s²
t = s
6.Hard
h = 55 mv0​ = 10 m/s30°range

A ball is launched at 30° 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 = 10 m/sθ = 30°h = 55 mg = 9.81 m/s²
t = s

Answer key

  1. 1. v = 18.53 m/s
  2. 2. t = 1.428 s
  3. 3. θ = 21.38 °
  4. 4. x = 58.97 m
  5. 5. t = 3.891 s
  6. 6. t = 3.897 s

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