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2 years ago

How do local action make the cell defective

1 answer:

7 0

Local action: local action is one such defect. The local action is the discharge of current by a battery even when it is not connected to an external power device due to the impurities present. Then when cell is not use, electric currents flow through these electrodes. Eventually resulting in the determination of the cell.

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At an amusement park, a swimmer uses a water slide to enter the main pool. a. If the swimmer starts at rest, slides with negligi

adoni [48]

Answer:

a)6.7m/S

b)6.8m/s

Explanation:

Hello ! To solve the point b you must follow the steps below

1.Draw the slide taking into account its length and height and find the angle from which the swimmer is launched (see attached image)

2. Find the horizontal velocity (X) and vertical (Y) components (see attached image)

3) for the third step we must remember that as in the slide there is no horizontal acceleration the speed in X will remain constant at the end of the swimmer's path (Vx = 0.59m / s)

the fourth step is to remember that vertically there is constant acceleration called gravity (g = 9.81m / s ^ 2), so to find the speed at the end of the route we use the following equation

$Vfy= \sqrt{Vy^2+2gy}$

where

Vfy= final verticaly speed

Vy=initial verticaly speed=0.59m/S

g=gravity=9.81m/S^2

y=height of slide=2.31m

solving

$Vfy= \sqrt{Vy^2+2gy}\\Vfy= \sqrt{(0.59)^2+2(9.81)(2.31)}=6.77m/s$

The last step is to add the velocity components vectorally at the end of the route with the following equation

$V=\sqrt{Vfy^2+Vx^2} =\sqrt{6.77^2+0.59^2} =6.8m/s$

point A

taking into account the previous steps we can infer that as the swimmer starts from rest, the velocity (Vx=Vy=O) is zero, so we should only use the formula for constant acceleration movement.

$Vfy= \sqrt{Vy^2+2gy}$

vy=0

$Vfy=\sqrt{2gy}$

Vfy= $\sqrt{2(9.81)(2.31)}$ =6.7m/s

8 0

3 years ago

PLEASE HELP 25 POINTS (WILL AWARD BRAINIEST ANSWER)

Alona [7]

D. The measure of average kinetic energy of molecules of a substance

7 0

3 years ago

All objects are either ___________ or ___________. Charged objects can have a ____________ or _____________ charge. Uncharged ob

KATRIN_1 [288]

All objects are either charged or uncharged. Charged objects can have a positive or negative charge. Uncharged objects will have a no charge. Charged objects that have the same charges will repel each other. Charged objects with opposite charges will attract each other. Uncharged objects can become charged. The charge an object has gives it electric energy. The charged object’s ability to attract (pull) or repel (push) other objects is called electrostatic force.

5 0

2 years ago

Which sentence correctly describes a friction force? A. It acts in the same direction as the motion of an object. B. It acts in

KatRina [158]

Answer:

Explanation:

Friction acts in a direction opposite to the motion of an object

5 0

3 years ago

i learned that kinetic energy is energy when an object is actually moving not including the moving particles. i also learned tha

GaryK [48]

Answer:

Part of that kinetic energy created by moving of particles in object is transformed to heat that can be measured by thermometer.

Explanation:

By moving object creates kinematic energy, that is true. In object itself small particles are moving and creating kinetic energy as well. Part of that kinetic energy created by moving of particles in object is transformed to heat that can be measured by thermometer.

Same thing is that when you run or exercise your body temperature is raising(because of moving ).

When you sit your body does not raise temperature.

6 0

2 years ago

How do local action make the cell defective​

How do local action make the cell defective