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
h = 60 m

A stone is dropped from rest from a bridge 60 m above the water. Ignore air resistance and use g = 9.81 m/s². How long does it take to reach the water? Find t.

v₀ = 0h = 60 mg = 9.81 m/s²
t = s
2.Easy
t (s)v (m/s)8 s11

A car speeds up uniformly from 5 m/s to 11 m/s in 8 s. Find the acceleration a.

v₀ = 5 m/sv = 11 m/st = 8 s
a = m/s²
3.Medium
t (s)v (m/s)4.04 s22.22

A car driving at 80 km/h brakes with a constant deceleration of 5.5 m/s² until it stops. Find the braking distance s.

v₀ = 80 km/ha = −5.5 m/s²v = 0
s = m
4.Medium
t (s)v (m/s)4.286 s15

A car driving at 54 km/h brakes with a constant deceleration of 3.5 m/s² until it stops. Find the braking distance s.

v₀ = 54 km/ha = −3.5 m/s²v = 0
s = m
5.Hard
v₀ = 20 m/s20 m

A ball is thrown straight up at 20 m/s from the edge of a roof 20 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 = 20 m/sh₀ = 20 mg = 9.81 m/s²
t = s
6.Hard
v₀ = 15 m/s15 m

A ball is thrown straight up at 15 m/s from the edge of a roof 15 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 = 15 m/sh₀ = 15 mg = 9.81 m/s²
t = s

Answer key

  1. 1. t = 3.497 s
  2. 2. a = 0.75 m/s²
  3. 3. s = 44.89 m
  4. 4. s = 32.14 m
  5. 5. t = 4.908 s
  6. 6. t = 3.852 s

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