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VikaD [51]
3 years ago
13

5. Density equals mass divided by volume. If a

Physics
1 answer:
lidiya [134]3 years ago
4 0

Answer:

3 significant figures

Explanation:

23.523 has 5 significant figures that is the figures 2,3,5,2,3

17.5 has 3 significant figures that is the figures 1,7,5

Density is mass/volume (given in question)

Density is 23.523g/17.5L= 1.34417142857143 g/L (Without rounding off the answer)

This has 15 significant figures

However, for precision, the result is 1.34 g/L which has 3 significant figures.

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The distance a wave moves from resting position
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Answer:

waving

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it waves go to a beach and see water doesn't rest it waves

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Identify the two atmospheric layers that contain air as warm as 25◦ C
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Does anyone know what uranium is???
schepotkina [342]
The answer to your question is "Yes".  Great numbers of people ... chemists,
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A particular automotive wheel has an angular moment of inertia of 12 kg*m^2, and is decelerated from 135 rpm to 0 rpm in 8 secon
lozanna [386]

Answer:

(A) Torque required is 21.205 N-m

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135 rpm = 135\times \frac{2\pi }{60}=14.1371rad/sec

Time t = 8 sec

So angular speed \omega _i=135rpm and \omega _f=0rpm

Angular acceleration is given by \alpha =\frac{\omega _f-\omega _i}{t}=\frac{0-14.1371}{8}=--1.7671rad/sec^2

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=12\times 1.7671=21.205N-m

Work done to accelerate the vehicle is

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4 years ago
A long straight wire carries a current I. If the magnetic field at a distance d from the wire has a magnitude B, what is the mag
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Answer:

Explanation:

As the field of current wire passing through the loop is same in direction (normally inward) but not uniform in magnitude.

So, we will use integtation method for finding the flux.

The same flux through a thin reactangular strip of length l and with dx, is given by

dϕB=Bx.dS=B(x)dScos180∘.

Magnetic field due to a long straight wire carrying current I is given by B=μ0I2πx, and area, dS=l×dx.

∴ ϕB=∫dϕB=−∫μ02πIlx.dx=−μ02πIl[logex]x=a+lx=a

=−μ02π.Ill

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