Answer: 0.5 kg
Check photo for work
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For an object to be in static equilibrium, the net force must be equal to zero and and The center of gravity must be above the s
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Answer
given,
frequency = 600 Hz
speed of sound = 343 m/s
wavelength =
λ = 0.572 m
for destructive interference
path difference =
path difference =
path difference = 0.286 m
b)
path difference will be equal to 0.286 m
the sound distance from the λ/2 from the first speaker will be out of phase with the sound at that first speaker.
Since the second speaker is described as being out of phase with the first, placing them λ/2 apart will make their sound constructively interfere.
By balancing the force, we get :
100 - Frictional Force = ma
100 - μmg = ma
100 - μ(5)(10) = (5)(15)
50μ = 25
μ = 0.5
Distance travelled by box in 5 seconds is :
Hence, this is the required solution.