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Andrej [43]
4 years ago
7

Which statement describes the relationship between voltage and current

Physics
1 answer:
DaniilM [7]4 years ago
6 0

Answer:

Ohm's Law. The relationship between voltage, current, and resistance is described by Ohm's law. This equation, i = v/r, tells us that the current, i, flowing through a circuit is directly proportional to the voltage, v, and inversely proportional to the resistance, r.

Explanation:

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If the distance of a charged particle from a wire changes from 10cm to 20 cm , what happens to its magnetic field
postnew [5]

Answer:

i would say it decreases

Explanation:

bc as distance grows the fields decrease

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Relationships between organisms may be helpful or harmful. Which of the following describes a relationship that is helpful to bo
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A is the correct answer. It is an example of mutualism, where both species involved benefits.
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What happens if you cut a bar magnet in half between the north and south poles?
Valentin [98]

Answer:

C

Explanation:

A magnet is basically a bundle of tiny magnets,magnetic domains. Each one has a tiny north and south pole. If you cut one in half, the newly cut faces will become the new north or south poles of the smaller pieces.

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3 years ago
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. What technology produced the results illustrated here, and what is this technology used for? (1 point) Think about the methods
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Answer:An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Explanation: That is the answer

7 0
3 years ago
A cheetah is resting when a hare traveling in a straight path passes at it's top speed of 25m/s. It takes the cheetah 1.5 second
timofeeve [1]

Answer:

a) 2.3 m/s^2

b) 33.3 s

c) 803 m

d) 0 m/s

Explanation:

We need to apply the accelerated motion formulas.

The acceleration is given by:

a=\frac{v_f-v_o}{t}\\\\a=\frac{45m/s-0m/s}{20s}\\\\a=2.3m/s^2

we need to calculate the time the cheetah takes to stop when it starts to decelerate:

v=vo+a*t\\\\t=\frac{v-v_o}{a}\\\\t=\frac{0-45m/s}{-4m/s^2}=11.3s\\\\t_t=20s+2s+11.3s=33.3s

We need to calculate the displacement for all of the stages:

stage 1:

x_1=\frac{1}{2}*a*t^2\\\\x_1=\frac{1}{2}*2.3m/s^2*(20)^2\\\\x_1=460m

stage 2:

x_2=v*t\\x_2=45m/s*2s=90m

stage 3:

x_3=v_o*t+\frac{1}{2}*a*t^2\\\\x_3=45m/s*(11.3s)-\frac{1}{2}*4m/s^2*(11.3)^2\\\\x_3=253m

The total displacement is given by:

d=x_1+x_2+x_3\\d=460m+90m+253m=803m

the final velocity of the cheetah is zero because the cheetah decelerates until stop.

4 0
4 years ago
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