Answer:
the minimum value of torque is 101.7 N-m.
Explanation:
Given that,
Mass of bundle of shingles, m = 30 kg
Upward acceleration of the shingles,
The radius of the motor of the pulley, r = 0.3 m
Let T is the tension acting on the shingles when it is lifted up. It can be calculated as :
T-mg=ma
T=m(g+a)
Let 
is the minimum torque that the motor must be able to provide. It is given by :
the minimum value of torque is 
Answer:
deceleration? I think because the prefix de means to like not or to slow down
The wavelength formula is λ = v/f.
100/200= .5
The wavelength is .5
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2. Is right..... if not then go with 1
