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 16 m/s speeds up with a constant acceleration of 3 m/s² for 10 s. Find its final speed v.

v₀ = 16 m/sa = 3 m/s²t = 10 s
v = m/s
2.Easy
t (s)v (m/s)5 s11.25

A car speeds up uniformly from 5 m/s to 11.25 m/s in 5 s. Find the acceleration a.

v₀ = 5 m/sv = 11.25 m/st = 5 s
a = m/s²
3.Medium
t (s)v (m/s)2.963 s22.22

A car driving at 80 km/h brakes with a constant deceleration of 7.5 m/s² until it stops. Find the braking distance s.

v₀ = 80 km/ha = −7.5 m/s²v = 0
s = m
4.Medium
t (s)v (m/s)3.077 s20

A car driving at 72 km/h brakes with a constant deceleration of 6.5 m/s² until it stops. Find the braking distance s.

v₀ = 72 km/ha = −6.5 m/s²v = 0
s = m
5.Hard
v₀ = 19 m/s20 m

A ball is thrown straight up at 19 m/s from the edge of a roof 20 m above the ground. Ignore air resistance and use g = 9.81 m/s². Find the greatest height hmax above the ground.

v₀ = 19 m/sh₀ = 20 mg = 9.81 m/s²
hmax = m
6.Hard
a = 28 m/s²

A model rocket is launched straight up from rest. Its engine gives it a constant upward acceleration of 28 m/s² for 1 s, after which the engine stops and the rocket moves freely. Ignore air resistance and use g = 9.81 m/s². Find the greatest height hmax the rocket reaches.

a = 28 m/s²t1 = 1 sg = 9.81 m/s²
hmax = m

Answer key

  1. 1. v = 46 m/s
  2. 2. a = 1.25 m/s²
  3. 3. s = 32.92 m
  4. 4. s = 30.77 m
  5. 5. hmax = 38.4 m
  6. 6. hmax = 53.96 m

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