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Cerrena [4.2K]
3 years ago
5

The mass of an object was measure on a balance and reported as 65.35g and it displaced 3.4ml. What is the density of the object

Physics
1 answer:
Sindrei [870]3 years ago
5 0

Answer:

your [email protected] father

Explanation:

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Coherent microwaves of wavelength 5.00 cm enter a tall, narrow window in a building otherwise essentially opaque to the microwav
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The solution for this problem is:

For 1st minimum, let m be equal to 1. 

d = slit width

D = screen distance. 

Θ = arcsin (m * lambda/ (d))


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y = D*tan (Θ)

y = 6.50 * tan (7.9836)

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In noisy factory environments, it's possible to use a loudspeaker to cancel persistent low-frequency machine noise at the positi
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Answer:

7.39 m or 3.61 m

Explanation:

\lambda = Wavelength

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v = Speed of sound = 340 m/s

Path difference of the two waves is given by

s_1-s_2=\frac{\lambda}{2}

Velocity of wave

v=f\lambda\\\Rightarrow \lambda=\frac{v}{f}\\\Rightarrow \lambda=\frac{340}{90}\\\Rightarrow \lambda=3.78\ m

s_1=s_2\pm\frac{\lambda}{2}\\\Rightarrow s_1=5.5\pm \frac{3.78}{2}\\\Rightarrow s_1=7.39\ m, 3.61\ m

So, the location from the worker is 7.39 m or 3.61 m

7 0
3 years ago
What is evaporation? Condensation? Drag the terms on the left to the appropriate blanks on the right to complete the sentences.
krok68 [10]

Answer:

Evaporation is the physical change in which a substance converts from its <u>liquid</u> state to its <u>gaseous</u> state. Condensation is the physical change in which a substance converts from its <u>gaseous</u> state to its <u>liquid</u> state.

Explanation:

Evaporation and condensation are opposite processes to each other. Evaporation changes a liquid to a gas and condensation is the reverse.

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A truck is moving north word at a constant speed the momentum of the car is
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Explanation:

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