A block is projected from bottom of an inclined plane with some LM 07 DPP Q85 & 86

A block is projected from bottom of an inclined plane with some velocity as shown in figure. If initial velocity of block is 22 m/sec and μ = (2√3)/5 then find
Time to reach at maximum height.
(a) 4 sec
(b) 2 sec
(c) 22/5 sec
(d) 22/6 sec

Friction force acting on block at maximum height.
(a) 60 N
(b) 50 N
(c) zero
(d) none

All the questions of Class 11 Topic Work Energy Power (WEP) have been added to this playlist. To get the booklet of these questions in PDF form, call the number given below or message on WhatsApp 'I want PDF of booklet no.08'.
Mobile/Whatsapp No. 7404222228, 9466220773