When the total of debit and credit are equal, it

What is the angle between centripetal acceleration and tangential acceleration?

The material used in the fabrication of a transistor is –

A stone thrown upward with a speed ’u’ from the top of the tower reaches the ground with a speed ‘3u’. The height of the tower is-

A machine does 600 J of work in 2 minutes. Find its power.  

Which of the following is not a characteristic of simple harmonic motion (SHM)?

Frequency modulation (FM) changes:

A person throws a ball from ground level at speed u and angle θ. The ball reaches maximum height H and range R. What is the ratio H/R?

When do spring tides occur?

Sounds of frequencies less than about ______ vibrations per second cannot be detected by the human ear.