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Dmitrij [34]
3 years ago
5

PHYSICS HW HELP PLS!! explain how you got it too thank you! :)

Physics
1 answer:
Gnesinka [82]3 years ago
5 0

Answer:

Explanation:

Can you please place the square roots in a proper manner so I may assist you?

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At room temperature, an oxygen molecule, with mass of 5.31x10-26kg , typically has a kinetic energy of about 6.21x10-21J.How fas
alex41 [277]
<h2>Oxygen is moving at 483.63 m/s</h2>

Explanation:

Kinetic energy = 0.5 x Mass x Velocity²

Kinetic energy = 6.21 x 10⁻²¹ J

Mass = 5.31 x 10⁻²⁶ kg

Substituting

        Kinetic energy = 0.5 x Mass x Velocity²

        6.21 x 10⁻²¹ = 0.5 x 5.31 x 10⁻²⁶ x Velocity²

        Velocity² = 2.34 x 10⁵

        Velocity = 483.63 m/s

Oxygen is moving at 483.63 m/s  

3 0
4 years ago
A car with mass m-1000 kg completes a turn of radius r 540 m at a constant speed of v =25 m/s. As the car goes around the turn,
Nataly [62]

Answer:

friction coefficient on the rough road is 0.117

Explanation:

As we know that car is taking turn on flat rough road

So here we can say that required centripetal force for circular motion of car is due to frictional force

So we have

F_c = \frac{mv^2}{R}

now we have

\mu mg = \frac{mv^2}{R}

so we have

\mu = \frac{v^2}{Rg}

\mu = \frac{25^2}{540(9.81)}

\mu = 0.117

6 0
4 years ago
What happens to the particles in a medium when waves propagate through the medium
jeka94

Answer:

they move in the direction of propagation/the angle of propagation

Explanation:

7 0
3 years ago
Why can a person get an electric shock when they walk across a room on a rug and touch a doorknob?
kodGreya [7K]

Electrons are added to your body as you shuffle your feet across the room. Then the shock is when they discharge from your body to the doorknob when you touch it.

6 0
4 years ago
Read 2 more answers
A Dog Is 60 m Away from while moving at a constant velocity of 10 m/s towards you.where is the dog after4 seconds?​
Viefleur [7K]

Answer:

20 meters away from you.

7 0
3 years ago
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