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LUCKY_DIMON [66]
3 years ago
7

What is the density of a substance that has a mass of 14gm and has a volume of 42cm^3

Engineering
1 answer:
ipn [44]3 years ago
5 0

Density = mass/volume

14 grams/42cm^3 = 1/3 or 0.333 grams/cm^3

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If you are being tailgated and need to make a stop, you should
alexandr402 [8]

If you are being tailgated and need to make a stop, you should:

B. flash your brake lights ahead of time.

C. slow sooner to make a gradual stop.

<h3>What is tailgating?</h3>

Tailgating can be defined as an act which typically involves a tailgater driving dangerously close behind another vehicle that is in front.

This ultimately implies that, a tailgating vehicle is a hazard to any driver because when he or she brakes suddenly, it may result in the tailgater hitting him or her from the rear.

In this context, we can infer and logically deduce that if you are being tailgated and need to make a stop, you should flash your brake lights ahead of time and slow sooner to make a gradual stop.

Read more on tailgating vehicle here: brainly.com/question/14287208

#SPJ1

8 0
2 years ago
A three-point bending test was performed on an aluminum oxide specimen having a circular cross section of radius 5.0 mm (0.20 in
Sonja [21]

The load is 17156 N.

<u>Explanation:</u>

First compute the flexural strength from:  

σ = FL / πR^{3}

   = 3000 \times (40 \times 10^-3) / π (5 \times 10^-3)^3

σ = 305 \times 10^6 N / m^2.

We can now determine the load using:

F = 2σd^3 / 3L

  = 2(305 \times 10^6) (15 \times 10^-3)^3 / 3(40 \times 10^-3)

F = 17156 N.  

7 0
4 years ago
An inside measurement can be taken with a tape measure by
Cerrena [4.2K]

This is about method of taking inside measurement with a tape.

<u><em>Option A is the correct answer.</em></u>

  • Inside measurement is usually taken with the aid of an inside micrometer. This will give us an exact measurement. This is because when making use of an inside micrometer for inside measurement, the total length of the inside micrometer is equal to the overall length of whatever is being measured.

  • We have seen how the inside micrometer is used whereby the entire body is also included in whatever is being measured. Applying this same concept to using a tape, we can simply say that we will add the tape length to the measuring case to get the inside measurement.

  • From the definitions and comparisons above, we can see that we will have to add the length of the tape measure case when taking inside measurements and other options aside Option A are not correct.

Read more at; brainly.com/question/12709703

3 0
3 years ago
A transmission line with an imperfect dielectric is connected to an ideal time-invariant voltage generator. The other end of the
kari74 [83]

Answer and Explanation:

O decreases linearly with the distance from the generator

4 0
3 years ago
If the dry-bulb temperature is 95°F and the wet-bulb temperature is also 78°F, what is the relative humid- ity? What is the dew
Sidana [21]

Answer:

Relative humidity 48%.

Dew point 74°F

humidity ratio 118 g of moisture/pound of dry air

enthalpy 41,8 BTU per pound of dry air

Explanation:

You can get this information from a Psychrometric chart for water, like the one attached.

You enter the chart with dry-bulb and wet-bulb temperatures (red point in the attachment) and following the relative humidity curves you get approximately 48%.

To get the dew point you need to follow the horizontal lines to the left scale (marked with blue): 74°F

for the humidity ratio you need to follow the horizontal lines but to the rigth scale (marked with green): 118 g of moisture/pound of dry air

For enthalpy follow the diagonal lines to the far left scale (marked with yellow): 41,8 BTU per pound of dry air

5 0
3 years ago
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