What is the value of magnetism at the center of earth?
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Will a dc motor actually produce voltage if it is spun in reverse?
What is the direction of null vector?
Explain what is the proper formula used to calculate acceleration?
Explain heat treatment. Why and how is it done?
Explain the Hard water?
Why is there a change in the weight of a body if the earth changes its speed ?
What is free fall acceleration?
a bullet of mass m travelling at velocity v has a kinetic energy of ½mv2 when it strikes a ballistic pendulum of mass 1000 grams. The kinetic energy of the twomasses moving together just after the moment of impact is about a thousand times smaller than ½mv2. What has most of the bullets initial kinetic energy beenconverted to?
What are the characteristics of a musical sound?
Why dies a cyclist and the cycle fall forward, if he applies the brakes suddenly ?
Explain about Hydraulic brakes?
What is Variable Velocity ?