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soldi70 [24.7K]
3 years ago
5

Which statement best compares the momentum of a 5-kilogram fish swimming at a speed of 10 meters/second and a 2-kilogram fish sw

imming at a speed of 10 meters/second?
Physics
2 answers:
ruslelena [56]3 years ago
6 0
M = mass of the larger fish =5kg
<span>V = velocity of the larger fish =10m/s</span>
<span>m = mass of the smaller fish =2kg</span>
<span>v = velocity of the smaller fish =10m/s
</span>formula=
<span>MV = mv 
5kg*10m/s=2kg*10m/s
biggern mass fish has more momentum
hope this helps

</span>
Ronch [10]3 years ago
5 0

Answer:

The momentum of the 5-kilogram fish is greater than the momentum of the 2-kilogram fish

Explanation:

The momentum of each fish can be calculated as follows:

p=mv

where

m is the mass of the fish

v is the velocity of the fish

- For the first fish, we have:

p=mv=(5 kg)(10 m/s)=50 kg m/s

- For the second fish:

p=mv=(2 kg)(10 m/s)=20 kg m/s

Therefore, the momentum of the first fish is greater than the second fish.

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The potential at location A is 382 V. A positively charged particle is released there from rest and arrives at location B with a
jarptica [38.1K]

Answer: 247.67 V

Explanation:

Given

Potential At A V_a=382\ V

Potential at V_c=785\ V

when particle starts from A it reaches with velocity v_b at Point while when it starts from C it reaches at point B with velocity 2v_b

Suppose m is the mass of Particle

Change in Kinetic Energy of particle moving under the Potential From A to B

q\cdot \left ( V_a-V_b\right )=0.5m\cdot (v_b)^2----1

Change in Kinetic Energy of particle moving under the Potential From C to B

q\cdot \left ( V_c-V_b\right )=0.5m\cdot (2v_b)^2-----2

Divide 1 and 2 we get

\frac{V_a-V_b}{V_c-V_b}=\frac{v_b^2}{4v_b^2}

on solving we get

V_b=\frac{4}{3}\cdot V_a-\frac{1}{3}\cdot V_c

V_b=\frac{743}{3}=247.67\ V

                     

4 0
3 years ago
what is the relationship between the number of turns of the wire and electrical output of the generator?
xxTIMURxx [149]

The number of turns of wire is directly proportional to voltage.

The higher the number of turns of wire the higher the voltage

Since .

Power (output) of a generator = voltage x current. Therefore the higher the voltage the higher the output of the generator.

So, the higher the number of turns of wire the higher the output of the generator.

4 0
3 years ago
If you pitch a baseball with twice the kinetic energy you gave it in the
Kaylis [27]

Answer:

the magnitude of momentum is √2≈ b

Explanation:

hope that helped

7 0
3 years ago
The nucleus of most atoms is composed of which of the following sub-atomic particles? (A) tightly packed neutrons
solmaris [256]

Answer:

(B) tightly packed protons and neutrons

Explanation:

  • Nucleus of any atom is the dense central part of any atom.
  • It consists of two sub-atomic particle namely proton and neutron.
  • These sub-atomic parts are tightly packed in nucleus which makes the nucleus dense .
  • This dense nucleus is responsible for most of the mass of atom.
  • The atomic mass for any atom is decided by sum of  the mass of proton and neutron

Thus, correct answer is

(B) tightly packed protons and neutrons

4 0
3 years ago
I need help with this
TEA [102]

Answer:

___

Explanation:

3 0
4 years ago
Read 2 more answers
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