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dolphi86 [110]
3 years ago
14

PLEASE HURRY Which of the following measurements is a measurement of velocity?

Physics
1 answer:
madreJ [45]3 years ago
6 0

Answer:

C) 350 m/s N

Explanation:

Velocity is measured in miles per hour or metres per second.

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The mass of a planet is 3.7 x 1024 kg. If the planet has a radius of 9.2 x 106 m what is the acceleration of gravity for a perso
nalin [4]

Explanation:

It s given that,

Mass of a planet, M=3.7\times 10^{24}\ kg

Radius of a planet, R=9.2\times 10^{6}\ m

(1) We need to find the acceleration due to gravity for a person on the surface of the planet. Its formula is given by :

g=\dfrac{GM}{R^2}

g=\dfrac{6.67\times 10^{-11}\ Nm^2/kg^2\times 3.7\times 10^{24}\ kg}{(9.2\times 10^{6}\ m)^2}

g=2.91\ m/s^2

(2) The escape velocity is given by :

v=\sqrt{\dfrac{2GM}{R}}

v=\sqrt{{\dfrac{2\times 6.67\times 10^{-11}\ Nm^2/kg^2\times 3.7\times 10^{24}\ kg}{9.2\times 10^{6}\ m}}

v = 7324.61 m/s

Hence, this is the required solution.

3 0
3 years ago
g Using the absorbance vs wavelength spectrum where the 1st peak is slightly less intense than the 2nd peak, determine the wavel
Andre45 [30]

Answer:

The wavelength range is always used to know the probable material present

Explanation:

The wavelength variation from with the concentration shows the type of material in as much the Spectrometer is well initialized before running the sample. The peaks interval may have effect on band gap.  

5 0
3 years ago
An airplane with constant speed 696 mph than another 40 minutes constant speed 804 mph what is distance it go?
sleet_krkn [62]

Answer:

536 miles

Explanation:

If the airplane is running at a speed of 804 miles per hour, and covers a distance, x in a particular number of mile. The distance in mile can be gotten they the application of direct formula. Multiplying the speed by the time it took, and thus

804 mph * 40

Remember the time is in minutes and not hours, so, you convert it to hours.

804 * 40/60 hours =

536 miles

6 0
3 years ago
2. wnich meaning of a word refers to exactly what it is?
kondaur [170]

Answer:

2) Denotative meaning of a word or Denotation.

3) Connotative meaning of a word or Connotation.

4) Ethics and Culture.

Explanation:

2) Which meaning of a word refers to exactly what it is?

The denotative meaning of a word represents the explicit or the exact meaning of that word. Also called the denotation of the word.

3) Which meaning of a word includes what the word may represent?

The Connotative meaningof a word means something suggested or implied by a word. Also called the Connotation of the word.

4) What is the term used for society's tried and true rules that guide life?

Ethics refer to the rules and standards that guide the conduct of individuals; especially members of a societal body.

Culture is the total way of life of a society.

Hence, ethics amd culture both serve as the society's tried and tested rules that guide life.

Hope this Helps!!!

7 0
3 years ago
A beaker of negligible heat capacity contains 456 g of ice at -25.0°C. A lab technician begins to supply heat to the container a
Scorpion4ik [409]

Answer:

176 min

Explanation:

456 g = .456 kg

Specific heat of ice s = 2093 J kg⁻¹

Heat required to raise the temperature by 25 degree

= mass x specific heat x rise in temperature.

= .456 x 2093 x 25

=23860 J

Heat required to melt the ice to make water at zero degree

= mass x latent heat

= .456 x 334 x 10³

=152304 J

Total heat required = 152304 + 23860 = 176164 J .

Time Required = Heat required / rate of supply of heat

= 176164 / 1000

176.16 min

4 0
3 years ago
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