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 = 75 mv0​ = 13 m/sv = ?

A ball is thrown horizontally at 13 m/s from the top of a 75 m cliff. Ignore air resistance and use g = 9.81 m/s². Find the speed v with which it hits the ground.

v₀ = 13 m/sh = 75 mg = 9.81 m/s²
v = m/s
2.Easy
h = 40 mv0​ = 23 m/sx = ?

A ball is launched horizontally from the top of a 40 m cliff. Ignore air resistance. Find the horizontal distance x travelled before the ball hits the ground.

v0 = 23 m/sθ = 0°h = 40 mg = 9.81 m/s²
x = m
3.Medium
v0​ = 32 m/sθ = ?R = 55 m

A ball is launched from level ground at 32 m/s and must land 55 m away. Ignore air resistance and use g = 9.81 m/s². Find the smaller of the two possible launch angles θ.

v₀ = 32 m/sR = 55 mg = 9.81 m/s²
θ = °
4.Medium
v0​ = ?65°R = 60 m

A ball is launched from level ground at 65° above the horizontal and lands 60 m away. Ignore air resistance and use g = 9.81 m/s². Find the launch speed v0.

θ = 65°R = 60 mg = 9.81 m/s²
v0 = m/s
5.Hard
2 mv0​ = 15 m/s50°x = ?

A ball is thrown from ground level at 15 m/s and 50° above the horizontal. It lands on the flat roof of a building 2 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 = 15 m/sθ = 50°hroof = 2 mg = 9.81 m/s²
x = m
6.Hard
h = 25 mv0​ = 22 m/s55°x = ?

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

v0 = 22 m/sθ = 55°h = 25 mg = 9.81 m/s²
x = m

Answer key

  1. 1. v = 40.5 m/s
  2. 2. x = 65.68 m
  3. 3. θ = 15.9 °
  4. 4. v0 = 27.72 m/s
  5. 5. x = 20.76 m
  6. 6. x = 59.91 m

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