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15
×
What will be the work done is power used is 600W in 5s.
3000J
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shark
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shark
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25
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What will be the Kinetic energy if : m = 14kg and v = 6 m/s
Kinetic Energy = 252J
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15
×
Identify the apparatus
Measuring cylinder
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15
×
How much will be the density in SI unit if the density of object is 8g/cc?
8000kg/cubic metre
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10
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Which position shows maximum Kinetic Energy
Position A
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20
×
Is work done in the following case? Why?
Yes. As when a person walks there is force as well as displacement of the person.
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5
×
If density of copper is 245 g/cc and aluminium foil is 0.68 g/cc. Which of them will float in water?
Aluminium foil.
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15
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Which exerts more pressure a blunt knife or a sharp knife?
Sharp knife
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10
×
State the energy conversion in the following case
Chemical to electrical
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5
×
State the SI unit of Density
kg/ cubic metre
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5
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State the SI unit of Pressure
pascals or newton/sq. Metre
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25
10
×
Which position shows maximum Potential Energy?
Position B
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5
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Which one exerts a greater pressure?
Heels
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