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S_A_V [24]
3 years ago
8

2 An object has a negative charge. Which statement about the object is correct? A Electrons have been transferred onto it. B Ele

ctrons have been transferred away from it. C It has more positive charges than negative charges. D Positive charges have been transferred away from it.
Physics
1 answer:
Rzqust [24]3 years ago
6 0

Answer:

A . Electrons have been transferred into it.

ps.. PLZ give me brainliest!!!

Tysm! Hope this helps!

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You observe a distant galaxy. you find that a spectral line normally found in the visible part of the spectrum is shifted toward
MrRissso [65]
The galaxy is moving away from you.

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3 years ago
An earthquake in San Francisco produces a wave with a period of 0.80 seconds and a wavelength of 40 m., How long will it take fo
gtnhenbr [62]

Answer:

A) 3.11 Hrs

Explanation:

Wave speed is given by the formula

Speed = \frac{wavelength}{Time\: period}

now we will have

speed = \frac{40}{0.80}

v = 50 m/s

now the time taken by the wave to move the distance 560 km is given as

t = \frac{distance}{speed}

t = \frac{560\times 10^3}{50}

t = 11200 s

t = 3.11 hours

4 0
3 years ago
A car with mass 1500 kg moves with constant velocity of 36 m/s. The driver sees a group of cows in front and he immediately step
Crazy boy [7]
From laws of motion:

S = ( \frac{v + u}{2} ) \times t
Where S is the distance/displacement (as you would call it) which is unknown
v = final velocity which is 0m/s (this is because the car stops)
u = initial velocity which is 36m/s (from the data given)
t = time taken for the distance to be covered and it is 6s


Substitute the values, hence:
S = ( \frac{0 + 36}{2} ) \times 6
S = (18) \times 6 \\  \\ S = 108m

But this is merely the distance he travelled in the 6 seconds he was trying to stop the car.

Therefore, the distance between the car and the cows = 160-108
Distance = 52m
6 0
4 years ago
How does climate change affect the ocean??
Debora [2.8K]
It raises the water level because of the melting glaciers. 
6 0
4 years ago
What are five of the most important things you learned in physics? ASAP
scoundrel [369]

Answer:

The definitions of mass, energy, time and space as used in Physics are circular

The Conservation of Mass and Energy

The definition of zero is not sufficiently defined in Physics

Newton’s Laws of Motion are related by Calculus

Knowing the terms of Physics is most important.

Please mark as brainliest

7 0
3 years ago
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