Click to Chat

0120-4616500

CART 0

• 0

MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: R

There are no items in this cart.
Continue Shopping
Get instant 20% OFF on Online Material.
coupon code: MOB20 | View Course list

• Complete Physics Course - Class 11
• OFFERED PRICE: R 2,800
• View Details
Get extra R 700 off
USE CODE: SSPD25

```
a)How many revolutios per minute must the apparatus shown in below figure make about a vertical axis so that the cord makes an angle of 450 with the vertical?
b) What is the tension in the cord then.  Given l = √2 m,  a = 20 cm and m = 5 kg?

```

6 years ago

Share

```										Dear J kiran
This type of problem can be solved by taking component of tension
T cos45 = mg
Tsin45 =mw2r    where r =lsin45
so T =mw2l

Please feel free to post as many doubts on our discussion forum as you can. If you find any question Difficult to understand - post it here and we will get you the answer and detailed solution very quickly. We are all IITians and here to help you in your IIT JEE  & AIEEE preparation.

```
6 years ago

# Other Related Questions on Mechanics

a smooth rod of length kept inside a trolly at an angle theeta .whst should be the acceleration a of

 Saurabh Kumar 2 months ago

@ eswar your question seems incomplete , so, kindly retype the question and post it again . we cannot find out the acceleration if we knows tye angle of inclination and there will be more...

 Umakant biswal 2 months ago
If the linear density of rod of length 3m varies as (lambda) = 2+x then the distance of centre of gravity of the rod is: (a) 7/3m (b)12/7m (c)10/7m (d)9/7m Pls provide with the complete...

Here it is given that Considering an element dx of the rod, its mass dm will be: If x cg denotes the centre of gravity of the rod, then: => Substituting the value of , we get: Solving the...

 Raman Mishra one month ago

total mass = density * length that is dm = lamda * dx dm = (x+2)dx integrating both sides, we get, m = x^2/2 + 2x = l^2/2 + 2l put l = 3 meter. m = 9/2 + 6 = 21/2 m that is approx. 10.5 m

 Vikas TU one month ago
Atennis ball bounces down a flght of stairs striking each step in turn and rebounding to the height of the step above. Then coefficient of restitution is?

This can be visualised as: h is directly proprtional to v^2 and height get doubled after one step then, for height h initial vel. is v^2 after height 2h the vel. becomes 4v^2 e =...

 2017 years ago

Hi Sankalp, I use the Android app, HashLearn, to get my doubts cleared by IIT tutors on HashLearn. You should definitely try it. :)

 2 days ago
what is stationary waves??

a wave in a medium in which each point on the axis of the wave has an associated constant amplitude. The locations at which the amplitude is minimum are called nodes, and the locations...

 Gavvala Ganesh one year ago

a wave in a medium in which each point on the axis of the wave has an associated constant amplitude. The locations at which the amplitude is minimum are called nodes, and the locations...

 RAKESH CHINDAM one year ago
WHAT ARE THE USES OF MAGNETS ?WHERE THEY ARE USED EXTENSIVELY?

Hello Jyothi The attraction a magnet produces is called a "magnetic field." ... Other kinds of magnets are even more powerful, strong enough to pick up ... Usage Examples.

my dear friend it was simple that the uses of magnets are very simple was that to attract something which is related to iron as well as some metals.there are many uses of magnets in our...

 NAVEENKUMAR NAGIPOGU 9 months ago

jyotheeswar the attraction a magnet products is called a magnetic field and other kinds of magnets are even more powerful strong enough to pick up and more

a boy of weight 25kg slide sdown a rope hanging from the branch of the tree.if the force of friction against him is 50N,the boys acceleration is?

Simply balance the forces along with friction force. Therfore, F – f = ma 250 – 50 = 25a a = 200/25 = 40/5 = 8 m/s^2

 Vikas TU one month ago
View all Questions »

• Complete Physics Course - Class 12
• OFFERED PRICE: R 2,600
• View Details
Get extra R 650 off
USE CODE: SSPD25

• Complete Physics Course - Class 11
• OFFERED PRICE: R 2,800
• View Details

Get extra R 700 off
USE CODE: SSPD25

More Questions On Mechanics