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o-na [289]
3 years ago
12

Do dwarf planets has several other bodies in their path orbiting the Sun just as they do?​

Physics
1 answer:
liberstina [14]3 years ago
8 0

Answer:

No they just orbit the sun

Explanation:

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If A is the area of a circle with radius r and the circle expands as time passes, find dA/dt in terms of dr/dt. dA dt = dr dt (b
Lorico [155]

Answer:157.1 m^2/s

Explanation:

Given

A is the area of circle with radius r

A=\pi r^2

Differentiate w.r.t time

\frac{\mathrm{d} A}{\mathrm{d} t}=\pi \times 2\times \frac{\mathrm{d} r}{\mathrm{d} t}

Also \frac{\mathrm{d} r}{\mathrm{d} t}=1 m/s at r=25 m

\frac{\mathrm{d} A}{\mathrm{d} t}=\pi \times 2\times 25\times 1=157.1 m^2/s

5 0
4 years ago
Read 2 more answers
A 50 wt% ni–50 wt% cu alloy is slowly cooled from 1400°c to 1200°c:
g100num [7]
This composition from Ni and Cu is called cupronickel.It is high in copper and silver in colour and highly resistant to corrosion, particularly seawater. Cooper nickel is used in the industry, in marine engineering . Melting point is 2254,73 F, which is 1234.85 Celsius. In this range of tempereature the cupronickel melts.
6 0
3 years ago
Benzene is a starting material in the synthesis of nylon fibers and polystyrene (styrofoam). Its specific heat capacity is 1.74
sweet-ann [11.9K]

Answer: 62.7^0C

Explanation:

The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.

Q=m\times c\times \Delta T

Q = Heat absorbed= 16.7 kJ = 16700 J  (1kJ=1000J)

m= mass of benzene = 225 g

c = specific heat capacity = 1.74 J/gK

Initial temperature of the water = T_i = 20.0°C  = 293 k  0^0C=273K

Final temperature of the water = T_f  = ?

Change in temperature ,\Delta T=T_f-T_i

Putting in the values, we get:

16700=225\times 1.74\times (T_f-293)

T_f=335.6K=62.7^0C

The  final temperature will be 62.7^0C

8 0
4 years ago
Ceres, Pluto, and Eris are all round in shape and classified as:_________ A) Leftover planetesimals that formed inside the frost
motikmotik

Answer

Ceres, Pluto, and Eris are classified as DWARF PLANET.

A) Leftover planetesimals inside the frost line are known as ASTEROIDS.

B) METEORITES are the pieces of Asteroids which are fallen on the earth's surface.                                                

C) COMETS are the objects which are visible with long tails.            

D) COMETS are also the leftover planetesimals that are occupied by the jovian planets and are formed in the solar system.                

E) Meteor showers are associated with debris from COMETS                      

5 0
3 years ago
How do hydrogen bonds affect boiling points?
wel

Answer:

I would say A but am not sure

7 0
3 years ago
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