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WARRIOR [948]
3 years ago
14

In a velocity selector having electric field E and magnetic field B, the velocity selected for positively charged particles is v

= E/B. The formula is the same for a negatively charged particles.
a. True
b. False
Physics
1 answer:
maw [93]3 years ago
6 0

Answer:

True or False

Explanation:

Because.....

easy 50% chance you are right

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At the nose of a missile in flight, the pressure and temperature are 5.6 atm and 850°R, respectively. Calculate the density and
Contact [7]

To solve this problem we will apply the definition of the ideal gas equation, where we will clear the density variable. In turn, the specific volume is the inverse of the density, so once the first term has been completed, we will simply proceed to divide it by 1. According to the definition of 1 atmosphere, this is equivalent in the English system to

1atm = 2116lb/ft^2

The ideal gas equation said us that,

PV = nRT

Here,

P = pressure

V = Volume

R = Gas ideal constant

T = Temperature

n = Amount of substance (at this case the mass)

Then

\frac{n}{V} = \frac{P}{RT}

The amount of substance per volume is the density, then

\rho = \frac{P}{RT}

Replacing with our values,

\rho = \frac{5.6*2116}{1716*850}

\rho = 0.00812slug/ft^3

Finally the specific volume would be

v = \frac{1}{\rho}

v = 123ft^3/slug

6 0
3 years ago
Is there gravity in space? If so name one piece of evidence
Eddi Din [679]
There is gravity everywhere in space. In fact, it's how the moon orbits the Earth. Also, gravity in space assists the Earth to orbit the sun. These are caused by small areas of gravity. The term for this is called "microgravity".

I hope this helps!
8 0
4 years ago
A linebacker strikes a fullback with full force in a football game.The reaction force to the force of the linebacker striking th
Scrat [10]
A. the back falls backwards to the ground
6 0
3 years ago
Instruction Active
nikklg [1K]

If the distance between two objects decrease and the masses of the objects remain the same, then the force of gravity between the two objects

<u>Answer:</u>

increases

Explanation:

The formula of gravitational force is given as:

F=G Mm/r^2

G = gravitational constant

M, m = Masses of two different objects in which the force is acting.

r = distance between both the objects.

As we can see from the formula that the force of gravity is inversely proportional to the square of the distance between both objects.

When the distance between both objects with the same masses decreases the gravitational force between them increases. Hence the correct answer is option B.

Illamends had the exact same answer from a similar question. Credit goes to her

4 0
2 years ago
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which obstacle to problem solving involves arriving at a solution based on your preconceptions and ignoring any evidence that go
White raven [17]

Answer:

confirmation bias

Explanation:

the tendency to interpret new evidence as confirmation of one's existing beliefs or theories in a way that affirms one's prior beliefs or hypotheses.

5 0
4 years ago
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