3 years ago

What object in the table has the slowest-moving molecules? Object A, Object B, Object C, or Object D?

Physics

2 answers:

lozanna [386]3 years ago

6 0

Object B has the slowest moving molecule because yea<span />

Assoli18 [71]3 years ago

3 0

The answer is Object D I just took the test

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How much energy is required to raise the temperature of 5g of air by 10°C?

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You need to know the specific heat capacity of air.
Then energy needed = 0.005 x sp.heat.cap x 10

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A rope exerts a 280 N force while pulling an 80 Kg skier upward along a hill inclined at 12o. The rope pulls parallel to the hil

user100 [1]

Answer:

The speed of the skier after moving 100 m up the slope are of V= 25.23 m/s.

Explanation:

F= 280 N

m= 80 kg

α= 12º

μ= 0.15

d= 100m

g= 9,8 m/s²

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A charge of 5.67 x 10^-18 C is placed 3.5 x 10^-6 m away from another charge of -

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+ 1.58 e -15

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1 year ago

A total resistance of 3.03 Ω is to be produced by connecting an unknown resistance to a 12.18 Ω resistance. (a) What must be the

insens350 [35]

Answer:

(a) 4.0334Ω

(b)parallel

Explanation:

for resistors connected in parallel;

$\frac{1}{R_{eq} } =\frac{1}{R1}+\frac{1}{R2}$

Req =3.03Ω , R1 =12.18Ω

$\frac{1}{3.03 } =\frac{1}{12.18}+\frac{1}{R2}$

$\frac{1}{R2}=\frac{1}{3.03 }-\frac{1}{12.18}$

$\frac{1}{R2}=0.2479$

R2=1/0.2479

R2=4.0334Ω

(b)parallel connection is suitable for the desired total resistance. series connection can not be used to achieve a lower resistance as the equation for series connection is.

Req = R1+R2

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3 years ago