Kinematics worksheet with answers

Free printable Kinematics 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
v = ?h = 50 m

A stone is dropped from rest from a bridge 50 m above the water. Ignore air resistance and use g = 9.81 m/s². Find its speed v just before it hits the water.

v₀ = 0h = 50 mg = 9.81 m/s²
v = m/s
2.Easy
t (s)v (m/s)3 s11.5

A car moving at 10 m/s speeds up with a constant acceleration of 0.5 m/s² for 3 s. How far does it travel in that time? Find s.

v₀ = 10 m/sa = 0.5 m/s²t = 3 s
s = m
3.Medium
t (s)v (m/s)3.846 s25

A car driving at 90 km/h brakes with a constant deceleration of 6.5 m/s² until it stops. Find the braking distance s.

v₀ = 90 km/ha = −6.5 m/s²v = 0
s = m
4.Medium
t (s)v (m/s)t = ?15

A car driving at 54 km/h brakes with a constant deceleration of 5.5 m/s² until it stops. How long does braking take? Find t.

v₀ = 54 km/ha = −5.5 m/s²v = 0
t = s
5.Hard
v₀ = 8 m/s25 m

A ball is thrown straight up at 8 m/s from the edge of a roof 25 m above the ground. Ignore air resistance and use g = 9.81 m/s². How long after the throw does it hit the ground? Find t.

v₀ = 8 m/sh₀ = 25 mg = 9.81 m/s²
t = s
6.Hard
v₀ = 11 m/s40 m

A ball is thrown straight up at 11 m/s from the edge of a roof 40 m above the ground. Ignore air resistance and use g = 9.81 m/s². How long after the throw does it hit the ground? Find t.

v₀ = 11 m/sh₀ = 40 mg = 9.81 m/s²
t = s

Answer key

  1. 1. v = 31.32 m/s
  2. 2. s = 32.25 m
  3. 3. s = 48.08 m
  4. 4. t = 2.727 s
  5. 5. t = 3.216 s
  6. 6. t = 4.189 s

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