Question

VI. Answer any THREE questions. Each carries FIVE marks.
33) Convert MKS unit of work i.e. joule into CGS unit of work i.e. erg by using dimensional
analysis method.
34) A woman starts from her home at 9 am, walks with a speed of 5kmh 1 on a straight road
up to her office 2.5 km away, stays at the office up to 5 pm, & returns home by an auto with
a speed of 25 kmh-1 Choose suitable scales & plot the x-t graph of thr motion.
35) A cricketer ball is thrown at a speed of 28 ms -1 in a direction 30° above the horizontal.
Calculate
a) The maximum height
b) The time taken by the ball to return to the same level
The distance from the thrower to the point where the ball returns to the same level.
36) The position of a particle r = 3tî - 2tºj + 4k m where 't is in second &r in metre.
a) Find velocity and acceleration of the particle
b) What is the magnitude of velocity & acceleration at t = 2s & t = 4s
37) A constant retarding force 50 N is applied to a body of mass 20kg moving initially with a
speed of 15 ms. How long does the body take to stop?​

Answer 1

sorry I am just telling you but you gonna

write the question and half question what did you write it a long question

I couldn't understand anything and no you have done the space

but I couldn't understand because question are join

I think I would report this answer but I am giving a last warning if you just write it in a good way and not a long question so I am not report you and just write in a proper way..!