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gracy
Questions (3)
A lamp consumers 1000 J of electrical energy is 20 seconds .What is its power?
1 answer
387 views
A sound wave travels at a speed of 340 m/s. If the wave lenght of wave is 1.4 km. What is the frequency of the wave?
1 answer
594 views
how many faculty of each rank should be hired at each college to exactly meet the demand for sections and completely exhaust the
2 answers
459 views
