A rock climber climbs a hill at the rate of 3 m/s. If he starts climbing from 20 m above the ground surface, how much time will he take to climb the hill which is 200m in height? [3 MARKS]

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Solution

Visualizing the situation : 1 Mark
Steps : 1 Mark
Result : 1 Mark

Rate at which climber climbs the hill = 3 m/s

Total distance to be climbed by the climber = 200 m - 20 m = 180 m

Time taken by the climber to climb

$= \frac{180}{3}$

= 60 seconds

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A rock climber climbs a hill at the rate of 3 m/s. If he starts climbing from 20 m above the ground surface, how much time will he take to climb the hill which is 200m in height? [3 MARKS]

Visualizing the situation : 1 Mark Steps : 1 Mark Result : 1 Mark Rate at which climber climbs the hill = 3 m/s Total distance to be climbed by the climber = 200 m - 20 m = 180 m Time taken by the climber to climb =1803 = 60 seconds

Visualizing the situation : 1 Mark
Steps : 1 Mark
Result : 1 Mark

Rate at which climber climbs the hill = 3 m/s

Total distance to be climbed by the climber = 200 m - 20 m = 180 m

Time taken by the climber to climb

$= \frac{180}{3}$

= 60 seconds