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Bess [88]
3 years ago
7

How long is the image of a metrestick formed by a plane mirror?

Physics
1 answer:
Zinaida [17]3 years ago
7 0

A plane mirror doesn't change the apparent size or shape of things.

-- If the meter stick is held parallel to the mirror, or is lying on the mirror,
then its image in the mirror is 1 meter long.

-- If the meter stick is held perpendicular to the mirror, or is standing on
the mirror, or pointing directly at it, then its image in the mirror has no length.

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How much heat is needed to boil 200g of water from 30 degrees:
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Answer:

80 degress is needed to boil 200g of water from 30 degress

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3 years ago
How is energy transferred throughout the roller coaster
solmaris [256]

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Explanation:

3 0
4 years ago
Read 2 more answers
2. A portion of the body receives 0.15 mGy from radiation with a quality factor Q = 6 and 0.22 mGy from radiation with Q = 10. (
DiKsa [7]

Answer with Explanation:

We are given that

D_1=0.15mGy

D_2=0.22mGy

Q_1=6

Q_2=10

a.We have to find the total dose

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Using the formula then, we get

D=0.15+0.22

D=0.37mGy

b.We have to find the total dose equivalent

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Using the formula

H=0.15(6)+0.22(10)

H=3.1mSv

7 0
3 years ago
The momentum of an object is proportional to its weight and speed.<br> a. true<br> b. false
Crank
It would be A.. True
4 0
4 years ago
If you double the velocity of a moving object, how is it's momentum affected?
Allushta [10]
Well momentum is = to Mass*Velocity so let's use an example to figure this out

If I weighed 50kg and I was jogging at 3m/s then I broke into a run at 6m/s how will me momentum be affected?
3m/s*50kg=150
6m/s*50kg=300

So as you can see by doubling the velocity you also double the momentum
8 0
4 years ago
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