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drek231 [11]
3 years ago
14

Mercury: 3.3022 x 10^23 kg Earth: 5.9722 x 10^24 kg

Mathematics
1 answer:
Luden [163]3 years ago
5 0

Answer:

Step-by-step explanation:

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Exponential eqation solution

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What is the value of the expression 9 − ( fraction 1 over 2 )4 ⋅ 48?
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9 - (1/2)^4 x48

9 - 1/16 x 48

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Find the volume of a sphere with a surface area of 576 in.
Kitty [74]

Answer:

Since we have given that

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As we know the formula,

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Step-by-step explanation:

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3 years ago
A car is on a driveway that is inclined 10 degrees to the horizontal. A force of 490 lb is required to keep the car from rolling
lara31 [8.8K]

Answer:

a) weight  of the car = 2816,1 lbs

b) 2773 lbs

Step-by-step explanation:

The equilibrium force is 490 lbs. That force keep the car at rest, then

∑ Fy  =  0     and  ∑Fx  =  0

Forces acting on the car:

The external force   490 lbs

weight of the car   uknown

Normal force

sin∠10°  =  0,174

cos∠10° = 0.985

∑Fx  =  0         mg*sin10°- 490 = 0      ∑Fy =  0      mg*cos10° - N  =  0

mg*0,174= 490

mg  =  490 / 0,174

mg = 2816,1 lbs

weight  of the car = 2816,1 lbs

The Normal force

mg*cos10° - N  =  0        2816,1 * 0,985 = N

N = 2773 lbs

Then equal force in magnitude and in opposite direction will car exets on the driveway

3 0
3 years ago
The intensity, or loudness, of a sound can be measured in decibels (dB), according to the equation I(dB)=10log[1/10], where I is
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Answer:

C. 320

Step-by-step explanation:

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3 years ago
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