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)5 sv = ?

A car moving at 12 m/s speeds up with a constant acceleration of 4 m/s² for 5 s. Find its final speed v.

v₀ = 12 m/sa = 4 m/s²t = 5 s
v = m/s
2.Easy
t (s)v (m/s)12 s18

A car moving at 0 m/s speeds up with a constant acceleration of 1.5 m/s² for 12 s. How far does it travel in that time? Find s.

v₀ = 0 m/sa = 1.5 m/s²t = 12 s
s = m
3.Medium
t (s)v (m/s)2.222 s16.67

A car driving at 60 km/h brakes with a constant deceleration of 7.5 m/s² until it stops. Find the braking distance s.

v₀ = 60 km/ha = −7.5 m/s²v = 0
s = m
4.Medium
t (s)v (m/s)4.444 s33.33

A car driving at 120 km/h brakes with a constant deceleration of 7.5 m/s² until it stops. Find the braking distance s.

v₀ = 120 km/ha = −7.5 m/s²v = 0
s = m
5.Hard
AB: 14 m/s30 m

Ball A is dropped from rest from a height of 30 m. At the same instant ball B is thrown straight up from the ground directly below at 14 m/s. Ignore air resistance and use g = 9.81 m/s². When do the balls meet? Find t.

H = 30 mv0B = 14 m/sg = 9.81 m/s²
t = s
6.Hard
v₀ = 9 m/s25 m

A ball is thrown straight up at 9 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 = 9 m/sh₀ = 25 mg = 9.81 m/s²
t = s

Answer key

  1. 1. v = 32 m/s
  2. 2. s = 108 m
  3. 3. s = 18.52 m
  4. 4. s = 74.07 m
  5. 5. t = 2.143 s
  6. 6. t = 3.354 s

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