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Bwss the ans of 15?
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Bwss the ans of 15?
im sry its AB is the answer ?
If yes, then use the formula :
0.5 * F * extension
0.5 * 17 * (30 * 10 ^-2) = 2.6
P=F*v
u ddnt solve my que..Sorry Zarah for the delay
11)
View attachment 45245
15)
Power = Force * velocity
Power = (1000 + 1000*10) * 0.5
Power = 11000 * 0.5
Power = 5500 W = 5.5 kW
17)
P = ρgh
(110000 - 100000) = 1020*9.81*h
h ≈ 1.00 mm
View attachment 45243 ok in this how do we do that counting the boxes method....or the area one plx explain
Calm down... I am doing my preparations along with helping you all... After all I am a human!u ddnt solve my que..
man i was kidding..im sorry if u minded itCalm down... I am doing my preparations along with helping you all... After all I am a human!
I didn't took it seriously..man i was kidding..im sorry if u minded it
What type of help you need ?please help
please help
18)view the attachment? in the upper post
k in q32...as l is doubled the cross sec area will be halved as well as it is an elastic material so R=2*2=4
32)
i thin
k in q32...as l is doubled the cross sec area will be halved as well as it is an elastic material so R=2*2=4
Question ?View attachment 45251 hey where am i going wrong?
i did it like this:- net emf=3-1.2=1.8V
V1=9/27*1.8=0.6V
0.6/9=0.067...y is my ans wrong?
thnx18)
power output P=IV
23 x 320 =7360 W
power input Power=energy/time
so P=mgh/t
and m/t is= 200 kgs-1
so 200 x 9.81 x 8 =15696 W
output/input x 100
7360/15696=0.468
nd 0.498 x 1ooo =46.8
so answer is D
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