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zalisa [80]
3 years ago
9

What the suns mass in scientific notation????

Physics
2 answers:
Allushta [10]3 years ago
6 0

Explanation:

In scientific notation the Sun's mass is: =1.989 x 10 ^30 kg

Gala2k [10]3 years ago
6 0

Answer:

I think in scientific notation the Sun's mass becomes: <u>M Sun = 1.989 x 10 30 kg.</u> The number above the ten, called the power of ten or exponent, stands for the number of decimal places. If it is positive, as in the mass of the Sun, the decimal places are in front of the decimal point.

I hope this help you!:)

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a projectile is launched horizontally from a height of 65 meters with an initial horizontal speed of 35 meters pre second. what
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A projectile is launched horizontally from a height of 65 meters with an initial horizontal speed of 35 meters pre second. projectile's horizontal speed after it has fallen 25 meters is 35 m/s.

<h3>what is speed ?</h3>

Speed is measured as the ratio of distance to the time in which the distance was covered. Speed is a scalar quantity as it has only direction and no magnitude.

The formula of speed is represented as s=d/t, Where, s is the speed in m.s-1, d is the distance traveled in m, t is the time taken in s

There are four types of speed such as Uniform speed, Variable speed, Average speed, Instantaneous speed

Uniform speed is an uniform speed when the object covers equal distance at equal time intervals, variable speed is defined as when the object covers a different distance at equal intervals of times.

Average speed is defined as the uniform speed the ratio of total distance travelled by an object to the total time taken by the object.

Instantaneous speed is defined as an object is moving with variable speed, then the speed at any instant of time is known as instantaneous speed.

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3 0
1 year ago
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Little Susie is enjoying a nice spherical lollipop. She sucks the lollipop in such away that the circumference decreases by 1 ce
Brums [2.3K]

Answer:

-50 cm^3/min

Explanation:

The volume of the lollipop is given by

V=\frac{4}{3}\pi r^3

where r is the radius in centimeters.

To find how fast the volume changes, we need to find the rate of change of the volume, which is given by its derivative with respect to time:

\frac{dV}{dt}=4\pi r^2 \frac{dr}{dt} (1)

where

dr/dt is the rate of change of the radius

We know that the circumference is

C=2\pi r

and it decreases by 1 cm per minute, so

\frac{dC}{dt}=2\pi \frac{dr}{dt}=-1 (cm/min)

from which we find dr/dt:

\frac{dr}{dt}=-\frac{1}{2\pi}

Substituting into (1),

\frac{dV}{dt}=4\pi r^2 \frac{1}{2\pi}=-2r^2  (cm^3/min)

And substituting r = 5, we find the rate of change of the volume when the radius is 5 cm:

\frac{dV}{dt}=-2(5)^2=-50 (cm^3/min)

8 0
3 years ago
1. Calculate the total heat content of 10 kg of ice at -23°C.?
vesna_86 [32]

To solve the problem, we must know the heat capacity of ice and water.

For Cp = 2090 J/kg C

H = mCpT

H = (10 kg) ( 2090 J/ Kg C) ( -23 C)

H = - 480700 J

For water Cp = 4180 j/kg C

H = (100 kg) ( 4180 J/kg C) ( 60 C)

<span>H = 2508000 J</span>

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3 years ago
Jack has two boxes: one is 148g and one is 78g. if jack pushes both boxes with the same amount of force which will accelerate fa
kifflom [539]
1) A The 78g
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An insulated container with a divider in the middle contains two separated gases. Gas 1 is initially at a higher temperature tha
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Answer:

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From the question given, Gas 1 was initially at a higher temperature than Gas 2.

As the two gas mixes together, there will be a transfer of heat from Gas 1 molecules to Gas 2 molecules. Now, as this continues over a period of time, the two gas will eventually have the same temperature.

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3 years ago
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