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Question 1 of 7
1. Question
If a radioactive materials has a half file of 18 days, what fraction of the radioactive nucleic will remain after 54 days?
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Question 2 of 7
2. Question
The dimension of stress is
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Question 3 of 7
3. Question
What is the magnitude of the electric field at a field point 2m from a point charge of 4nC?
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Question 4 of 7
4. Question
Determine the power in horse of a car that is exerting force of 5 x 10 N while moving at a constant speed of 10m/s
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Question 5 of 7
5. Question
How much energy is stored in a 20mH coil when it carries a current of 0.2A?
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Question 6 of 7
6. Question
The frequency of a plane progressively were represented by the equation y 4sin(2000ôt – 0.5t)
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Question 7 of 7
7. Question
The half life of a radioisotope is 92 seconds. The N/No left after 2 hours is
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