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2 years ago

Explain the uses of Electrophorus

Physics

1 answer:

Maslowich2 years ago

8 0

Answer:

Explanation:

Comment

Interesting creature.

These creatures are the only survivors from an era long past, where nothing else has survived. They are eels capable of discharging a large electrical current. A pack of them (they can hunt in groups) can kill just about anything.

Tribes use and tame them to guard the tribe's tame Electrophorus. They are bread and maintained in schools. While the charge is huge, once discharged, these creatures take a very long time to recharge, so they are not entirely invincible.

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An ice cube of volume 15 cm^3 and density 917 kg/m^3 is placed in ethyl alcohol of density 811 kg/m^3. What is the buoyant force

Amiraneli [1.4K]

Answer:

the buoyant force acting on the ice cube is 0.119 N

Explanation:

given,

volume of ice cube = 15 cm³ = 15 × 10⁻⁶ m³

density of ice cube = 917 kg/m³

density of ethyl alcohol = 811 kg/m³

buoyant force = ?

The density of ice is more than ethyl alcohol hence it will sink.

buoyant force acting on the ice cube = ρ V g

= 811 × 15 × 10⁻⁶ × 9.81

=0.119 N

so, the buoyant force acting on the ice cube is 0.119 N

3 0

3 years ago

Arightward force of 302 N is applied to a 28.6-kg crate to accelerate it across the floor. What will its acceleration be?

Musya8 [376]

Answer:

a $\approx$ 10.6 m/s²

Explanation:

Since F = ma (Force = mass * acceleration), acceleration would be...

a = F/m

a = 302 N/28.6

a $\approx$ 10.6 m/s²

8 0

3 years ago

The greatest height reported for a jump into an airbag is 99.4 m by stuntman Dan Koko. In 1948 he jumped from rest from the top

vaieri [72.5K]

Answer:

v = 44,16 m/s

Explanation:

We will fixate our reference in the starting point from where Dan jumped of, at the top of the Casino. Therefore, the displacement made when dan reached the airbag would be of y= -99,4 m viewed from our reference. We describe the motion of dan with the equation:

$v_y^2 =v_0^2 +2ay$

Dan jumped from the rest, that means that the initial velocity v_0=0, therefore:

$v_y^2 =2ay \rightarrow v_y = \sqrt{2ay}$

Since Dan is moving in the negative axis regarding our reference point, we take the negative root of the equation.

v_y=-√(2*(-9,81 m/s^2 )*(-99,4 m) )=44,1613 m/s $v_y =- \sqrt{2*(-9,81 m/s^2)*(-99,4 m)} = 44,1613 m$

So, if we don’t take the air resistance into account, Dan would have achieved an velocity of 44,16 m/s when he reached the airbag.

I hope everything was clear with my explanation. If you need anything else, let me know. Have a great day :D

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4 years ago

What physical quantity determines if a process is spontaneous?

aleksandrvk [35]

<span> delta S. The change in entropy is a measure of how the reaction will affect the system's stability. If delta S is negative, the system will become more stable as it reacts, so it will be spontaneous. Delta H will follow the same rule. </span>

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3 years ago

When the image of a distant object is brought into focus in front of a person's retina, the defect is called

Stells [14]

A. Nearsightedness
[Source] google

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3 years ago

Explain the uses of Electrophorus ​

Explain the uses of Electrophorus