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vampirchik [111]
3 years ago
5

In a galvanic cell, electrons flow from the ________ to the _______ .

Physics
1 answer:
s2008m [1.1K]3 years ago
7 0

Answer:

E.

Explanation:

In a galvanic cell, electrons flow from the anothe to the cathode.

I hope you got the answer

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Suppose the acceleration of an elevator is 1/2 g upward, then what is the reading on the scale in the elevator.
Irina-Kira [14]

Answer:

c. 3/2 mg

Explanation:

Given that the acceleration of an elevator is 1/2 g upward.

The reading on the scale of the elevator is the net external force acting on the elevator.

Let the force F acting on the elevator as shown,

By using Newton's 2nd law, F_{net}=ma

where, F_{net} is the net force acting on the elevator.

m is the mass of the elevator,

a is the acceleration of the elevator, as given a=1/2 g upward.

So, F_{net}=m\times \frac 1 2 g

F-mg=m\times \frac 1 2 g \\\\F=mg+ \frac 1 2 mg \\\\F= \frac 3 2 mg.

So, the reading on the scale in the elevator is \frac 3 2 mg.

Hence, option (c) is correct.

4 0
3 years ago
A block is being pulled by a rope in a straight line across a horizontal floor which is non frictionless. The rope is pulling on
ikadub [295]

Answer:

60 N

Explanation:

We can answer the question by using Newton's third law, which states that:

"When an object A exerts a force (called action) on an object B, then object B exerts an equal and opposite force (called reaction) on object A"

In this situation, we can identify the rope as object A, and the block as object B.

We are told that the rope exerts a force of 60 N on the block: if we apply Newton's third law, therefore, we can say that the block will also exert an equal (60 N) and opposite (in direction) force on the rope.

6 0
3 years ago
A crane operater drops the cargo by turning off the electric current to the
NikAS [45]

Answer:

A crane operator drops the cargo by turning off the electric current to the electromagnet. Electromagnets can be controlled by controlling the electric current. An electromagnet is stronger if there is more current flowing through it.

Explanation:

7 0
2 years ago
An individual who has had chicken pox rarely gets this
marin [14]
This would be an example of active immunity
8 0
3 years ago
Which term describes the object that revolves around a central body?
Feliz [49]

Answer:

d satellite i think

Explanation:

i eliminated all the other answers, when i notice that Orbit, Period, and Rotation are not Bodies.

8 0
4 years ago
Read 2 more answers
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