# Recent questions in Physics

## 1

Answers#### A particle is moving around in a circle and its position is given in polar coordinates as x = Rcosθ, and y = Rsinθ, where R is the radius of the circle, and θ is in radians. From these equations derive the equation for centripetal acceleration.

high school physics question

21/10/2017
## 0

Answers#### 65Cu can be turned into 66Cu, with no accompanying product except a gamma, if bombarded with

physics

19/10/2017
## 0

Answers#### Дана функция f (x) = (tgx) * x ^ 2 + (1-tga) + tga

дана функция f (x) = (tgx) * x ^ 2 (1-tga) + tga и уравнение (tg ^ 2a) f (x ^ 2) = f (f (x)) найти все функции f (x) для которые ...

17/10/2017
## 2

Answers#### Half Life

At the end of 14 min, 1/16 of Polonium remains. Half life?

13/10/2017
## 0

Answers#### I have a question about order of magnitude?

When I tried to solve order of magnitude questions, I realized that we found the answer as 4*10^7. But my book was converting this answer to this 4*10^7~10^8. I confused. Can you tell me what is ...

11/10/2017
## 0

Answers#### Nuclear physics

Fission fragments usually decay by emitting

09/10/2017
## 0

Answers#### There is no SI base unit for area because:

There is no SI base unit for area because:

06/10/2017
## 0

Answers#### What color is the sky?

What color is the sky?

28/09/2017
## 2

Answers#### Why the light rays coming towards the normal when travelling from rare to denser medium?

This is the basic thing that we are knew about from our school days but don't ask that why this happend?

07/09/2017
## 0

Answers#### Why coloumb's law inversly proportional to the r

Why coloumb's law inversly proportional to the r?

07/09/2017