Intermediate
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- Question 1 of 51. Question
Which of the following statements about the mouth piece of a telephone is correct? It converts sound energy into
- Question 2 of 52. Question
The potential energy in an elastic string of force constant k which has been extended by x metres is expressed as
- Question 3 of 53. Question
A machine of efficiency 80% is sued to lift a box, if the effort applied by the machine is twice the weight of the box, calculate the velocity ratio of the machine
- Question 4 of 54. Question
A swinging pendulum between the rest position and its maximum displacement posses
- Question 5 of 55. Question
An electric motor is a machine that converts
