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
t (s)v (m/s)10 sv = ?

A car moving at 8 m/s speeds up with a constant acceleration of 3.5 m/s² for 10 s. Find its final speed v.

v₀ = 8 m/sa = 3.5 m/s²t = 10 s
v = m/s
2.Easy
t (s)v (m/s)8 s20

A car moving at 0 m/s speeds up with a constant acceleration of 2.5 m/s² for 8 s. How far does it travel in that time? Find s.

v₀ = 0 m/sa = 2.5 m/s²t = 8 s
s = m
3.Medium
t (s)v (m/s)5.714 s20

A car driving at 72 km/h brakes with a constant deceleration of 3.5 m/s² until it stops. Find the braking distance s.

v₀ = 72 km/ha = −3.5 m/s²v = 0
s = m
4.Medium
t (s)v (m/s)t = ?25

A car driving at 90 km/h brakes with a constant deceleration of 3.5 m/s² until it stops. How long does braking take? Find t.

v₀ = 90 km/ha = −3.5 m/s²v = 0
t = s
5.Hard
a = 20 m/s²

A model rocket is launched straight up from rest. Its engine gives it a constant upward acceleration of 20 m/s² for 1.5 s, after which the engine stops and the rocket moves freely. Ignore air resistance and use g = 9.81 m/s². How long after launch does it hit the ground? Find t.

a = 20 m/s²t1 = 1.5 sg = 9.81 m/s²
t = s
6.Hard
AB: 19 m/s35 m

Ball A is dropped from rest from a height of 35 m. At the same instant ball B is thrown straight up from the ground directly below at 19 m/s. Ignore air resistance and use g = 9.81 m/s². When do the balls meet? Find t.

H = 35 mv0B = 19 m/sg = 9.81 m/s²
t = s

Answer key

  1. 1. v = 43 m/s
  2. 2. s = 80 m
  3. 3. s = 57.14 m
  4. 4. t = 7.143 s
  5. 5. t = 8.292 s
  6. 6. t = 1.842 s

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