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WorkShop Calculation and Science
Module - 5: SPEED AND VELOCITY WORK POWER AND ENERGY
Set 7
Set 7
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Q12965
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What is the potential energy, if a body of mass 250 kg is at a height of 30 metre?
A
72.57 KJ
B
73.57 KJ
C
74.57 KJ
D
75.57 KJ
Q12966
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What is the potential energy in a body of mass 10 kg kept on the top of a pole 20 metres height?
A
1942 Joules
B
1952 Joules
C
1962 Joules
D
1972 Joules
Q12967
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What is the work done in joules if a load of 15.5 kg is lifted through a height of 4.4 metres?
A
639 Joules
B
649 Joules
C
659 Joules
D
669 Joules
Q12968
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What is the kinetic energy of a bullet of mass 5gm travels with a speed of 500 m/sec?
A
620 Joules
B
625 Joules
C
630 Joules
D
635 Joules
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