19,879
edits
Changes
no edit summary
v = 10m/s
a = -0.5m/s/s
s = 25m
| style="height:20px; width:300px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
<math>v^2=u^2 + 2as</math>
<math>v^2=0^2 + 2 \times 60 \times 150</math>
<math>v^2=18000</math>
| style="height:20px; width:300px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
<math>v^2=u^2 + 2as</math>
<math>10^2=u^2 + 2 \times (-0.5) \times 25</math>
<math>100=u^2 - 25</math>
|-
| style="height:20px; width:300px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
<math>v=\sqrt{18000}</math>
<math>v=134.16m/s</math>
<math>v \approx 130m/s </math>
| style="height:20px; width:300px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
<math>u^2 = 100 + 25</math>
<math>u^2 = 125</math>
<math>u=\sqrt{125}</math>
<math>u=11.18m/s</math>
<math>u = \approx 11m/s</math>
|}