3 years ago

Are fat fish more likely to have broad stripes than thin fish

Physics

1 answer:

allsm [11]3 years ago

4 0

Yes, Like human skin. The bigger the organism the more its skin stretches.

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True or False If the mass of the object increases, then the potential energy of the object decreases.

Tamiku [17]

False- the potential energy is force*distance and force is mass*acceleration so if there’s more mass, there’s more force, so there’s more potential energy
Hope that helps :)

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3 years ago

A sound wave can be considered as a displacement wave or a pressure wave? What phase difference exists between the displacement

netineya [11]

Where the displacement is a maximum the pressure is a minimum.
Where the displacement is zero, the pressure is a maximum.

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4 years ago

A change in the earths core would have a greatest effect on?

Anit [1.1K]

Convection currents in the mantle.

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3 years ago

A 75-g bullet is fired from a rifle having a barrel 0.540 m long. choose the origin to be at the location where the bullet begin

lyudmila [28]

Part a) The work done by the gas on the bullet is the integral of the force in dx, where x is the distance covered by the bullet inside the barrel with respect to the origin:
$W= \int\limits^{0.540m}_{0} {F} \, dx = \int\limits^{0.540m}_{0} {(16000+10000x-26000x^2)} \, dx =$
$=16000x+10000 \frac{x^2}{2} - 26000 \frac{x^3}{3}$
By substituting the length of the barrel, L=0.540 m, we find the total work done by the gas on the bullet:
$W=16000(0.540m)+10000 \frac{(0.540m)^2}{2} - 26000 \frac{(0.540m)^3}{3} =$
$=8733 J=8.73 kJ$

part b) The resolution of the problem is the same, we just have to use the new length of the barrel (L=0.95 m) inside the final formula, and we find the new value of the work:
$W=16000(0.95m)+10000 \frac{(0.95m)^2}{2} - 26000 \frac{(0.95m)^3}{3} =$
$=12280 J=12.28 kJ$

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3 years ago

Plz help me ! I hate apex

statuscvo [17]

Answer:

1. Observation

2. Data collection

3. Hypothesis

4. Experiment

5. Result

6. Conclusion

7. Theory

8. Law

Explanation:

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4 years ago

Read 2 more answers