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aleksklad [387]
3 years ago
9

If an object is moving at 2m/s towards a porcelain vase, do you think it will have enough momentum to brake the vase?

Physics
1 answer:
Alex Ar [27]3 years ago
8 0

Answer: No

Explanation:

Momentum p refers to how much force is needed to change the motion of a body or object by changing its direction or braking it. In addition, momentum is directly proportional to the mass m and the velocity v:

p=mv

Now, assuming both the object and the porcelain vase have the same velocity v=2m/s but different mass, and assuming the mass of the vase is greater than the mass of the object; the momentum of the porcelain vase will be also greater than the momentum of the object.

Hence, the object will not have enough momentum to brake the vase.

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A flock of geese is flying south for the winter. In order to maintain a “V” shape, each goose is flying at the same constant vel
Novosadov [1.4K]
B the goose with most mass
this is because momentum=mass x acceleration
so a larger mass will give a larger momentum ( acceleration stays constant)
3 0
3 years ago
If the period of the lowest-frequency sound you can hear is 0.050 s, then what is its frequency?
seropon [69]
The frequency of a sound wave or any wave for that matter is the reciprocal of the period. That is,
                                            f = 1/T
Substituting the known value of period,
                                            f = 1/(0.05 s) 
                                            f = 20 Hz
Thus, the frequency of the wave is equal to 20 Hz. 
8 0
4 years ago
A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 4
bija089 [108]

Answer:

   w = 0.55 rad / s

Explanation:

For this exercise let's use the conservation of angular momentum, let's write the moment in two moments

Initial

    L₀ = r p + 0

    L₀ = r mv

The first term is the angular momentum of the mass

Final

      Lf = (I + m r²) w

Where I is the moment of inertia of the stool and the other term is the moment of inertia of the mass

      L₀ = Lf

      r mv = (I + m r²) w

      w = m r v / (I + m r²)

Let's calculate

      w = 2.0 0.45 3.0 / (4.5 + 2.0 0.45²)

      w = 2.7 / 4.9

     w = 0.55 rad / s

4 0
4 years ago
The characteristic that gives an element its distinctive properties is its number of:_________
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The characteristic that gives an element its distinctive properties is its number of protons because the number of protons of any element represents its atomic number.

<h3>What is the atomic number?</h3>

The total number of protons present in an atom is known as the atomic number of that atom. The atomic number has no correlation either with the number of neutrons or the number of electrons present inside an atom.

Since the number of protons in any element corresponds to its atomic number, this property provides an element with its particular features.

Learn more about the atomic number from here,

brainly.com/question/14190064

#SPJ4

5 0
1 year ago
ASAP HELP!!
rodikova [14]
The force of gravity between two objects is increased when the mass of objects is increased.
3 0
4 years ago
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