A straight road in a certain area rises steadily at angle of 10° to the horizontal ground. A lorry travels up the road. Calculate its...

      

A straight road in a certain area rises steadily at angle of 10⁰ to the horizontal ground. A lorry travels up the road. Calculate its vertical and horizontal displacement.

  

Answers


joseph
Use the trigonometric equation
Let x represent the horizontal displacement
Cos 10° = x/5
X = 5 Cos 10°
X = 4.92 km
Let y represent the vertical displacement
Then sin 10° = y
Y = 5 sin 100
Y = 0.8682 km

joseph rimiru answered the question on October 3, 2017 at 17:18


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