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Menlo Park

Breadth of the tank, b 4 m 80 cm 480 cmHeight of the tank, h300 cm= 600 x 480 x 300 cu. cm = 86400000 amThus, the volume of the tank is 86400000 cu cm.Exercise-5Exercise-5Use Cordova Smart Class Software on the smart board in class to do ExerciseWhat is the volume of a cuboid which is 40 cm long. 24 cm thick and 18 cm high?A cubical container is of side 6.2 cm. Find the amount of water it can hold.A wall is to be built using bricks of dimensions 20 cm x 16 cm x 8 cm. How many bricks willbe required if the wall is 10 m long, 5 m high and 64 cmn thick?A water tank is 150 cm long and 45 cm deep. Find the width of the tank if it contains 576litres of water, given that 1 litre = 1000 cu. cm.A metal rod of dimensions 180 cm x 120 cm x 100 cm is melted and recast into cubes. If thelength of each cube is 60 cm, how many cubes are formed?Cordova Learning Series MATHEMATICS-5अब वाटर टैंक ​

answers: 1
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Answer:

Initial velocity u=30 km/h=30×

18

5

=

3

25

m/s

Final velocity v=60 km/h=60×

18

5

=

3

50

m/s

Mass m=1500 kg

Work done W=

2

1

mv

2

2

1

mu

2

⟹ W=

2

m

(v

2

−u

2

)=

2

1500

×((

3

50

)

2

−(

3

25

)

2

)=156187 J

475
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