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seraphim [82]
3 years ago
10

Consider the air moving over the top of the light bulb. The streamlines near the bulb will be squeezed together as the air goes

over the top of the bulb. This leads to a region of _________ on the top of the bulb.
Physics
1 answer:
Vilka [71]3 years ago
5 0

Answer:

low pressure

Explanation:

The streamlines of air particles are squeezed together as the air goes over the top of the bulb. Then, by the law of conservation of mass, the velocity of air particles are increased. And since, the velocity is increase the pressure is bound to decrease. Hence, this leads to region of low pressure on the top of the bulb.

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3 years ago
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Determine the mass of a sphere with a radius of 8 cm having a density of 7500 kg / m3​
Aliun [14]

Answer:

Explanation:

V=2140CM3

M=VOLUME*DENSITY

7500kg/m3=7.5g/cm3

2140cm3*7.5g/cm3=16050

16050g

7 0
2 years ago
A 150kg person stands on a compression spring with spring constant 10, 000 N/m and norminal.Length of 0.50.What is the togal len
Eva8 [605]

Answer:

Total length of spring 0.647 m

Explanation:

We have given mass of the person m = 150 kg

Acceleration due to gravity g=9.8m/sec^2

Spring constant k = 10000 N/m

Nominal length of spring = 0.50

According to hook's law

mg=kx

150\times 9.8=10000\times x

x = 0.147 m

So total length of spring = 0.50+0.147 = 0.647 m

4 0
3 years ago
I''l give brainliest. Please help. I hold 2 objects about 0.1 meters apart. What is the electrostatic force between the two obje
matrenka [14]

Answer:

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F = 9.00E9 * (4.6E-16)^2 / .01 = 1.90E-19 N

7 0
2 years ago
What what is the change in internal energy if 500 joule of heat is added to a system and 125 joule of work are done on a system
eduard

Answer:

DU = 375 Joules

Explanation:

Given the following data;

Quantity of heat = 500 Joules

Work done = 125 Joules

To find the change in internal energy;

Mathematically, the change in internal energy of a system is given by the formula;

DU = Q - W

Where;

  • DU is the change in internal energy.
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Substituting into the formula, we have;

DU = 500 - 125

<em>DU = 375 Joules</em>

8 0
2 years ago
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