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adoni [48]
4 years ago
9

HELP! 10 PTS! Two objects of different mass have equal, non-zero kinetic energies. Which object has the greater momentum?

Physics
1 answer:
Juli2301 [7.4K]4 years ago
4 0
The heavier one. The explanation for this is that <span>momentum is directly proportional to mass. The more mass there is, the more momentum.

This is as simply as I could explain it, hope I helped :) </span>
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A wave with a frequency of 325 Hz. is travelling at a speed of 125 m/s. What is the wavelength of this wave?
ollegr [7]

Answer:

0.385 meters

Explanation:

Just remember this very simple equation:

velocity=(wavelength)*(frequency)

I always remember it as "Velma is Waving Frantically"

So, 125=(wavelength)*(325)

Therefore, wavelength=0.385 meters!

Hope this helped!

4 0
3 years ago
Chemical messengers that stimulate a specific cellular response.
lisov135 [29]

Answer:

Explanation:

hormones. please mark me brainliest

4 0
3 years ago
Read 2 more answers
A particle vibrates in Simple Harmonic Motion with amplitude. What will be its displacement in one time-period? A 2A 4A 0
yan [13]

'Displacement' is the distance and direction between the starting point and
ending point, regardless of the path followed to get there.

A particle that's executing simple harmonic motion is always in the same place
where it was one time period ago, and where it will be later after another time
period has passed. 

So its displacement during exactly one time period is exactly zero.


3 0
4 years ago
True or False? In an RL circuit, the larger the value of R (i.e. the resistance of the circuit), the longer it takes the circuit
Luba_88 [7]

Answer:

1.False

2.4 E

Explanation:

1.We have to find the statement is true or false.

We know that

Time constant,\tau=\frac{L}{R}

Time constant is inversely proportional to resistance R .It means when R increases then time constant decreases when R decrease then the time  constant decreases.

Statement:The larger the value of R ,the longer it takes the circuit to reach its final steady- state value

It is false.

2.Energy stored in inductor,E=\frac{1}{2}LI^2

When I'=2I

Then, E'=\frac{1}{2}L(2I)^2=\frac{1}{2}LI^2\times 4=4 E

Hence,the new total energy will become 4 E.

3 0
3 years ago
5.
uysha [10]

Answer:

<h3>U_{2}=4U_{1}</h3><h3>Explanation:</h3>

Let U1 and U2 be the gravitational potential energy of the first and second stone  respectively.

U1 is given by:

U_1 = (m)gh\\

and U2 is given by:

U_2 = (4m)gh  

therefore, comparing the energies we have:

\frac{U_2}{U_1} = \frac{(4m)gh}{(m)gh}= 4

therefore:

U_2=4U_1

5 0
4 years ago
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