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)4 sv = ?

A car moving at 2 m/s speeds up with a constant acceleration of 3 m/s² for 4 s. Find its final speed v.

v₀ = 2 m/sa = 3 m/s²t = 4 s
v = m/s
2.Easy
t (s)v (m/s)4 s24

A car moving at 12 m/s speeds up with a constant acceleration of 3 m/s² for 4 s. How far does it travel in that time? Find s.

v₀ = 12 m/sa = 3 m/s²t = 4 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)0.6 s25

A driver moving at 90 km/h sees an obstacle. Her reaction time is 0.6 s, after which the car brakes with a constant deceleration of 6 m/s². Find the total stopping distance d from the moment she sees the obstacle.

v₀ = 90 km/htr = 0.6 sa = −6 m/s²
d = m
5.Hard
t (s)v (m/s)6 s

A tram starts from rest and accelerates at 2.5 m/s² for 6 s, then runs at constant speed for 30 s, and finally brakes at 2 m/s² until it stops. Find the total distance s between the two stops.

a1 = 2.5 m/s²t1 = 6 st2 = 30 sa3 = −2 m/s²
s = m
6.Hard
v₀ = 17 m/s10 m

A ball is thrown straight up at 17 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 = 17 m/sh₀ = 10 mg = 9.81 m/s²
t = s

Answer key

  1. 1. v = 14 m/s
  2. 2. s = 72 m
  3. 3. s = 57.14 m
  4. 4. d = 67.08 m
  5. 5. s = 551.3 m
  6. 6. t = 3.978 s

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