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AVprozaik [17]
3 years ago
14

If you and a friend are standing at opposites ends of a gymnasium and one of you claps, will the other hear the clap at the same

time she sees it happen? If you explain why I’ll give your brainliest answer
Physics
1 answer:
34kurt3 years ago
3 0

Answer:

No. Your friend will not hear the clap when he/she sees it.

Explanation:

It takes time for sound waves to go through a large area. It takes longer if people are in the area rather than it is empty.

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What is the power of an electric with a current of 0.5 A and a voltage of 120 V ? The formula for power is P =IV
zaharov [31]

Answer:

60Watts

Explanation:

Given parameters:

Current = 0.5A

Voltage  = 120V

Unknown

Power = ?

Solution:

The power in the electric circuit is the product of current and voltage;

      P = IV

Insert the given parameters and solve;

      P = 0.5 x 120

      P  = 60Watts

7 0
2 years ago
Read 2 more answers
Which statement describes how Earth compares to the moon? Earth has more inertia than the moon. The moon has more gravitational
Juliette [100K]

Answer

Earth has more inertia than the moon.

6 0
2 years ago
Read 2 more answers
Ben and tom lifted plates up and down to practice for work. it is true or false that work has been. Accomplished
Orlov [11]

Explanation:

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6 0
3 years ago
The potential difference across a resistor increases by a factor of 2. How does the current change? (Ohm's law: V = IR) A. It de
Sedaia [141]
The answer is C.

The question says the potential difference is what is changing, which means we're solving for V.

It tells us that potential difference increases by a factor of two, which just means V doubles.

With this info, we can pick some numbers, plug it into Ohms law and see what happens.

Here's an example where I just picked random numbers that are easy to work with:

V=I*R
10=I*5
I=2
Lets increase the potential difference (V) by a factor of two and see what happens to current:
V=I*R
20=I*5 (all I've done is double the potential difference from 10 to 20)
I=4

When we increase V by a factor of 2, I increases by a factor of 2. We went from I=2 to I=4.
We can increase V by factor of 2 again and see:
V=I*R
40=I*5
I=8

Okay, current just increased by a factor of 2 again when we increased the potential difference by a factor of 2.

It's always good to check work with alternate numbers, so here's one more set:
V=I*R
16=I*4
(remember, we know we're solving for V, so I'm just plugging in random numbers for I and R)
I=4
Increase V by factor of 2:
32=I*4
I=8

So, when we increase V (the potential difference) by a factor of 2, I (current) always increases by a factor of 2 as well.

Hope this helps!





3 0
3 years ago
Read 2 more answers
Which factor is not a type of spectra?
rusak2 [61]
The correct answer is
D.) discontinuous

Brainliest?
4 0
2 years ago
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