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 s24.5

A car moving at 12 m/s speeds up with a constant acceleration of 2.5 m/s² for 5 s. How far does it travel in that time? Find s.

v₀ = 12 m/sa = 2.5 m/s²t = 5 s
s = m
2.Easy
v = ?h = 55 m

A stone is dropped from rest from a bridge 55 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 = 55 mg = 9.81 m/s²
v = m/s
3.Medium
t (s)v (m/s)t = ?20

A car driving at 72 km/h brakes with a constant deceleration of 8 m/s² until it stops. How long does braking take? Find t.

v₀ = 72 km/ha = −8 m/s²v = 0
t = s
4.Medium
t (s)v (m/s)t = ?33.33

A car driving at 120 km/h brakes with a constant deceleration of 7.5 m/s² until it stops. How long does braking take? Find t.

v₀ = 120 km/ha = −7.5 m/s²v = 0
t = s
5.Hard
v₀ = 9 m/s35 m

A ball is thrown straight up at 9 m/s from the edge of a roof 35 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 = 35 mg = 9.81 m/s²
t = s
6.Hard
v₀ = 12 m/s10 m

A ball is thrown straight up at 12 m/s from the edge of a roof 10 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 = 12 m/sh₀ = 10 mg = 9.81 m/s²
t = s

Answer key

  1. 1. s = 91.25 m
  2. 2. v = 32.85 m/s
  3. 3. t = 2.5 s
  4. 4. t = 4.444 s
  5. 5. t = 3.742 s
  6. 6. t = 3.103 s

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