19,879
edits
Changes
→Using v, u a and s
{| class="wikitable"
| style="height:20px; width:300px; text-align:center;" |QuestionA fighter jet [[accelerate]]s at 60m/s/s from rest along a runway which is 150m in length. Calculate the [[velocity]] reached by the fighter jet, correct to two [[Significant Figures|significant figures]].| style="height:20px; width:300px; text-align:center;" |QuestionA train applies the breaks over 25m of track slowing at a rate of 0.5m/s/s to a [[velocity]] of 10m/s. Calculate the initial [[velocity]] of the train prior to breaking, correct to two [[Significant Figures|significant figures]].
|-
| style="height:20px; width:300px; text-align:left;" |'''1. State the known quantities'''
u = 0m/s
a = 60m/s/s
s = 150m
| style="height:20px; width:300px; text-align:left;" |'''1. State the known quantities'''
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]].'''
| style="height:20px; width:300px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers and [[Evaluate (Maths)|evaluate]].'''
|-