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WITCHER [35]
3 years ago
14

A car has a kinetic energy of 432,000 J when traveling at a speed of 23 m/s. What is its mass?

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

Answer:

2

Explanation:

2

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Four weather satellites are orbiting the Earth at a height of 825 kilometers. Some characteristics of the satellites are shown i
ratelena [41]

Answer:

D

Explanation:

The gravitational force between any two objects is affected by the masses of the objects and the distance between them. The greater the masses of the objects are, the stronger the gravitational force is.

Since all four of the satellites are the same distance from the Earth's surface, only their masses affect the strength of the gravitational force. At 903 kilograms, satellite D has the greatest mass, so the gravitational force pulling it toward the Earth is the greatest.

4 0
3 years ago
Given that a pipe having a diameter of 1.5 feet and a height of 10 feet, what is the psi at 5 feet ?
grin007 [14]

Answer:

The pressure is 2.167 psi.

Explanation:

Given that,

Diameter = 1.5 feet

Height = 10 feet

We need to calculate the psi at 5 feet

Using formula of pressure at a depth in a fluid

Suppose the fluid is water.

Then, the pressure is

P=\rho g h

Where, P = pressure

\rho = density

h = height

Put the value into the formula

P=1000\times9.8\times1.524

P=14935.2\ N/m^2

Pressure in psi is

P=2.166167621\ psi

P=2.167\ psi

Hence, The pressure is 2.167 psi.  

4 0
3 years ago
Which of the following is not made up of atoms answers choices A heat b tree c balloon ​
Vlad1618 [11]

Answer:

the answer is  tree

Explanation:

because tree is made up of woodly barks and not atoms so we can say that tree is the answer. u may wander, why not hear or baloon cause heat is a gas state which is made up of atom and baloon contains gall like helium which is also made up of atom.

hope this helps u

5 0
3 years ago
What voltage is needed to cause a 2A current flow through a 102 resistor?
Harman [31]

Answer:

204 V

Explanation:

V=IR

V= (2A)(102Ω)

V=204 V

8 0
3 years ago
Read 2 more answers
Which situation is an an example of competition that could be found in the grassland
astraxan [27]
A good answer is a giraffe and a tree

4 0
4 years ago
Read 2 more answers
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