11I = MR2/2
0.2= M*400*10-4
M= 5kg
5/6*10
0.833*10
=8.3m/s
9 Answers
1
i have 3 unknowns(a, T1,T2) and 2 equations. how can i get the thir equation b/w a and T2
11Simplest method
Find the mass of the pulley(m) then
mg=(1+m)a
a = mg/1+m
1virang how can we find the mass.
the ans given is 10 m\s but your ans will be <9.8 as m/(m+1) < 1
1can we assume the pulley as a disc? it isnt written anywhere
still the answer given is 10m/s
21find the rel betwee accle of pulley and the block
if accel of block is a accel of pulley will be a/2
T1= 1.(a)........................................
(T2-T1)R=Iα........................
a/2=Rα......................................
I=m2 R2/2
m2 be mass of pulley
so
m2g- T1-T2=m2 (a/2)
21array jus check it once more it will match......dese r the only eq to be formed