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In-s [12.5K]
3 years ago
13

Name any electrochemical cell ?​

Physics
2 answers:
Furkat [3]3 years ago
8 0

Answer:

The electrochemical cells which generate an electric current are called voltaic cells or galvanic cells and those that generate chemical reactions, via electrolysis for example, are called electrolytic cells. A common example of a galvanic cell is a standard 1.5 volt cell meant for consumer use.

grin007 [14]3 years ago
6 0

Answer:

Galvanic Cell / Voltaic Cell

There are two types of electrochemical cells: galvanic, also called Voltaic, and electrolytic. Galvanic cells derives its energy from spontaneous redox reactions, while electrolytic cells involve non-spontaneous reactions and thus require an external electron source like a DC battery or an AC power source.

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An object travels a distance d with acceleration a over a period of time t according to the equation: d = at² After 2.3 seconds
matrenka [14]

Answer:

A 26m

Explanation:

firstly the answer will not be part c as distance unit will be meters (m)

next, substitute the values of a and t as shown

\frac{1}{2}  (9.8)(2.3)^2 = 25.921

the answer rounded off to 2 significant figures will be hence 26m

5 0
3 years ago
Most comets come from an area called the oort cloud true or false
KiRa [710]
The statement is constructed with the purest form of veracity, and
it is True in every respect, every jot and tittle, ever 'p' and 'q'.
Truer words are rarely if ever spoken.  Verily and forsooth,
Most comets indeed come from a dark, distant, foreboding
place in the solar system, unknown until very recently, and
now referred to as the "Oört Cloud". 
8 0
4 years ago
Read 2 more answers
For what angle of incidence at the first mirror will this ray strike the midpoint of the second mirror (which is s = 28.8 cm lon
Naily [24]

The angle of incidence at the first mirror will this ray strike the midpoint of the second mirror is 34.6°

Two plane mirrors intersect at right angles. A laser beam strikes the first of them at a point d = 10.0cm from their point of intersection.

To strike the midpoint of the second mirror, the ray of light will have to travel half of the distance vertically

i.e. 29/2 = 14.5

We can solve this through trigonometry.

Let the angle between the ray and the vertical plane mirror is known as α

tan α = 10/14.5

α =  = 34.6°

The angle of incidence is the angle between the ray and the normal line of the mirror.

Let the angle of incidence of the first mirror be β

β = α = 34.6

Know More about the angle of incidence at:

brainly.com/question/18772331

#SPJ4

4 0
1 year ago
How can we represent a narrow beam of light?
Yanka [14]

Answer:

It is easy to imagine representing a narrow beam of light by a collection of parallel arrows—a bundle of rays. As the beam of light moves from one medium to another, reflects off surfaces, disperses, or comes to a focus, the bundle of rays traces the beam's progress in a simple geometrical manner.

I hope it's helpful!

7 0
3 years ago
Read 2 more answers
A player hits a ball with a bat. The action is the force of the bat against the ball.
Daniel [21]

Answer:

Force of the ball against the bat

Explanation:

Newton's third law of motion states that for every action, there is an equal and opposite reaction. When a player hits a ball with a bat, the force the player exerted on the ball through the bat gave the ball a push force in the forward direction. This is an action force. Now that an action has been initiated, there must be a reaction according to Newton's third law of motion. The magnitude of the force on the ball equals the magnitude of the force on the bat. The direction of the force on the ball is opposite to the direction of the force on the ball. The ball will give the bat an equal and opposite force trying to push the bat backward by resisting the impact of the bat. This is the reaction. The ball will only move if the applied force is able to overcome the resisting force by the bat.

Where;

is the action force of the bat against the ball.

is the equal and opposite reaction force of the ball towards the ball.

6 0
3 years ago
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