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)7 s33.5

A car moving at 16 m/s speeds up with a constant acceleration of 2.5 m/s² for 7 s. How far does it travel in that time? Find s.

v₀ = 16 m/sa = 2.5 m/s²t = 7 s
s = m
2.Easy
t (s)v (m/s)8 sv = ?

A car moving at 4 m/s speeds up with a constant acceleration of 4 m/s² for 8 s. Find its final speed v.

v₀ = 4 m/sa = 4 m/s²t = 8 s
v = m/s
3.Medium
t (s)v (m/s)8.571 s30

A car driving at 108 km/h brakes with a constant deceleration of 3.5 m/s² until it stops. Find the braking distance s.

v₀ = 108 km/ha = −3.5 m/s²v = 0
s = m
4.Medium
t (s)v (m/s)0.7 s22.22

A driver moving at 80 km/h sees an obstacle. Her reaction time is 0.7 s, after which the car brakes with a constant deceleration of 7 m/s². Find the total stopping distance d from the moment she sees the obstacle.

v₀ = 80 km/htr = 0.7 sa = −7 m/s²
d = m
5.Hard
v₀ = 14 m/s10 m

A ball is thrown straight up at 14 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 = 14 m/sh₀ = 10 mg = 9.81 m/s²
t = s
6.Hard
v₀ = 17 m/s30 m

A ball is thrown straight up at 17 m/s from the edge of a roof 30 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 = 30 mg = 9.81 m/s²
t = s

Answer key

  1. 1. s = 173.3 m
  2. 2. v = 36 m/s
  3. 3. s = 128.6 m
  4. 4. d = 50.83 m
  5. 5. t = 3.446 s
  6. 6. t = 4.753 s

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