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Syllabus

a) 1/2 pi (Sq rtof l x cosa/g )

b) 1/2 pi (sq rtof l x sin a /g)

c) 4 pi ( sq rt of l cos a/4g)

d) 4 pi ( Sq rt of l tan a/g)

ras shown. At B it leaves the cylinder. The equation relating α and β is(a) 3 sin α = 2 cos β (b) 2 sin α = 3 cos â€‹β (c) 3 sin â€‹β = 2 cos α (d) 2 sin â€‹β = 3 cos α

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(1) 9 (2) $\frac{1}{9}$ (3) 81 (4) $\frac{1}{81}$

_P) Maximum speed must be 5?5 m/s_

_Q) Difference between maximum and minimum tensions along the string is 60 N_

Select correct option.

(A) Only the statement P is correct.

(B) Only the statement Q is correct.

(C) Both the statements are correct.

(D) Both the statements are incorrect.

Please give me solution

the wheel of a toy car rotates about a fixed axis. it slows down from 400rps to 200 rps in 2s. then, its angular retardation in rad/sec^2 is ...................

## A block of mass m is placed against the vertical surface by a spring of unstretched length l if the coefficient of friction between the block and the surface is u then choose the correct statement

1. if spring constant k= 2mg/ud block will not be in equilibrium

2.minimum spring constant k min to keep block of mass m in equilibrium is mg/ud

3. if spring constant is k= 2mg/ud the normal reaction is mg/u

4.in part c force of friction is mg/u

***PLZ GIVE ME STEPWISE ANSWERWhich one is angular resolution fundamental quantity..,

1) Length,

2) Time,

3) Radian,

4) Angle

.$a)E{v}^{2}\phantom{\rule{0ex}{0ex}}b)E{v}^{-2}\phantom{\rule{0ex}{0ex}}c)F{v}^{-1}\phantom{\rule{0ex}{0ex}}d)F{v}^{-2}$

What is banking on road ?

A coin kept on a rotating gramophone disc just begins to slip if its centre is at a distance of 8 cm from the centre of the disc. The angular velocity of the gramophone disc is then doubled. Through what distance, the coin should be shifted towards the centre, so that the coin will just slip

(a) 2 cm

(b) 4 cm

(c) 6 cm

(d) 16 cm

A cyclist goes round a circular path of circumference 343 m in s. The angle made by him, with the vertical is

(a) 42°

(b) 43°

(c) 44°

(d) 45°

expression for centripetal accelaration of a particle performing uniform circular motion

what is value 2

^{c }pronunciationWhat is centripetal and centrifugal force?

$Q=\frac{{A}^{3}{B}^{3}}{C\sqrt{D}}$

If percentage errors in A, B, C, D are 2%, 1%, 3% and 4% respectively. What is the percentage error in Q?

a) $\pm $8 %

b) $\pm $10 %

c) $\pm $14%

d) $\pm $ 12%

derive the expression for the centripetal accelaration of a particle in uniform circular motion.

motion of entire second hand of clock are same to the angular displacement

What Is called??

answer should be : ( 0.2551)

Solve this:The linear acceleration of the particle of mass in decreasing a horizontal circle of radius r, with angular speed $\omega $ is :

$a)\raisebox{1ex}{$\omega $}\!\left/ \!\raisebox{-1ex}{$r$}\right.b)r\omega c)r{\omega}^{2}d){r}^{2}\omega $

^{2}/r) acting on the bob is given by?i am completed chapter but there are showing incomplete what is probleme occour? plz cheak

Consider a circle of radius

rcentred at O. There are two points A and B chosen on the circle such thatAn ant is moving on this circle with a constant speedv.Find the change in velocity in moving from A to B for the ant.0

None of the above.

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