1: Convert the following:

a. 36 km/h into m/s                           
b. 120 m/s into km/h 
c. 10 km/h into m/s                 
d. 1 m/s into km/h


2: A morning walker completes one lap on a 628 m-long circular track. If the beginning and ending positions are the same, calculate the distance and displacement he travelled. Determine his average speed and average velocity after he completed the trip in 2 minutes.

Ans {628 m, 0 m, 5.233 m/s, and 0 m/s }

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3: In 10 seconds, a cyclist increases its speed from 5 km/h to 7km/h, while a car moves from rest to 20 km/h in same time. Calculate acceleration of each? Which has greater acceleration? 

Ans {0.055 m s⁻², 0.556 m s⁻², acceleration of car is greater}

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4: A car is moving with uniform velocity of 20 m/s for 20 seconds. Then brakes are applied and it comes to rest with uniform deceleration in 1 minute.

a. Calculate the total distance covered by car using mathematical equation?
b. Plot the graph to calculate this distance using speed time graph? 

Ans. {1000 m}

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5: A car starts its motion and accelerates at rate of 2 m/s². Find its velocity after covering distance of 500 m.

Ans {44.7 m/s }

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6:Consider the following speed time graph. Tell:
a. Which part of the graph is showing acceleration, deceleration and zero acceleration?
b. Calculate covered distance from 10 seconds to 20 seconds from the graph 



Ans {Line OA, Line BC, Line AB, 500 m }


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