## Questions received through PlusTwoPhysics FeedBack form

1. Two point charges of 16 micro coulomb and -9 mC are placed 8cm apart in air.in which position the electric field become zero?and how we find this solution generally Asked

## How was CBSE Maths 2016?

CBSE Maths 2016 for class XII is now one of the most discussed topics. How was the paper?

There are as usual mixed responses. Even the bright ones complained that the paper was lengthy.

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## Motion in a vertical circle and conservation of energy

A stone  tied to a string of length l is whirled around a vertical circle with the other end of the string at the centre. At a certain instant of time the stone is at the lowest position and has a

## A light year is the distance light travels in one year . How many meters are there in one light year?

The speed of light in vacuum is 3 x 10^8 m/s. That means in one second it travels 300000000 metres. As we know, in one year, there are 365 days; in each day there are 4 hours; in each hour there are 60 minutes and in each minute there are 60 seconds. Therefore, the distance [...]

## A Numerical Problem from Projectile Motion

A short is fired from a gun on the top of a hill 90m high with velocity 80m/s at an angle of 30 degree with the horizontal. Find the horizontal distance between the vertical line through the gun and