Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

A particle of mass m is attached to one end of the light inextensible string and other end of the string is fixed in vertical plane as shown. Now particle is given horizontal velocity u=5gl2, then which of the following statement/s is/are correct.

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

The string makes angle with the downward vertical is 600 when acceleration of the particle is horizontal

b

The tension in string is 2 mg when acceleration of the particle is horizontal.

c

The speed of the particle is 32gl  when acceleration of the particle is horizontal

d

The particle will not complete the circle.

answer is A.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

T−mgcos⁡60∘=mv2l-----(i)12m52gl2−mg12=12mv2----(ii)v=32g and T=2mgNet force is in horizontal direction when θ=60∘
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
A particle of mass m is attached to one end of the light inextensible string and other end of the string is fixed in vertical plane as shown. Now particle is given horizontal velocity u=5gl2, then which of the following statement/s is/are correct.