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jekas [21]
3 years ago
6

I NEED HELP PLEASE, THANKS! :)

Physics
1 answer:
UkoKoshka [18]3 years ago
7 0

Answer:

Explanation:

1) Hypermetropia (better known as Farsighted- this is why nearby objects seem blurry for him)

2) In such instances, image are typically formed farther from the near point

3) Such defects are quite common so there are common procedures such as using convex lens which can restore the sight to normal.

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A rescue plane spots a survivor 132 m directly below and releases an emergency kit with a parachute. If the package descends at
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Explanation:

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3 years ago
Please help i don't understand. will mark brainliest
soldier1979 [14.2K]

Answer:

marblebrainiest plz\c cmarble

Explanation:

8 0
3 years ago
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There are eight men sitting on a couch. Three legs break and six men leave. How many legs are remaining
lutik1710 [3]

Explanation: Well, think about it if you see it on the logical end, there are 8 men that mean 16 legs. Then there are 4 legs of the couch as well that made it total of 20. If broken legs are of the men, then still the total will be 20 because the legs are still intact but 6 men left that means 12 legs are gone, if 3 legs break and 6 men leave. the number of legs remaining are 20–6*2–3=5....  so it's 5  I hope this helps! xoxo

8 0
3 years ago
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A 26.0 g ball is fired horizontally with initial speed v0 toward a 110 g ball that is hanging motionless from a 1.10 m -long str
mart [117]

Answer:

7.3 ms^{-1}

Explanation:

Consider the motion of the ball attached to string.

In triangle ABD

Cos50 = \frac{AB}{AD} \\Cos50 = \frac{AB}{L}\\AB = L Cos50

height gained by the ball is given as

h = BC = AC - AD \\h = L - L Cos50\\h = 1.10 - 1.10 Cos50\\h = 0.393 m

M  = mass of the ball attached to string = 110 g

V = speed of the ball attached to string just after collision

Using conservation of energy

Potential energy gained = Kinetic energy lost

Mgh = (0.5) M V^{2} \\V = sqrt(2gh)\\V = sqrt(2(9.8)(0.393))\\V = 2.8 ms^{-1}

Consider the collision between the two balls

m  = mass of the ball fired = 26 g

v_{o} = initial velocity of ball fired before collision = ?

v_{f} = final velocity of ball fired after collision = ?

using conservation of momentum

m v_{o} = MV + m v_{f}\\26 v_{o} = (110)(2.8) + 26 v_{f}\\v_{f} = v_{o} - 11.85

Using conservation of kinetic energy

m v_{o}^{2} = MV^{2} + m v_{f}^{2} \\26 v_{o}^{2} = 110 (2.8)^{2} + 26 (v_{o} - 11.85)^{2} \\v_{o} = 7.3 ms^{-1}

3 0
3 years ago
Harry and Cassie wanted to conduct an experiment to see how many licks it takes to get to the center of a tootsie roll pop. Belo
umka2103 [35]

Hey there!

The answer is that The data was not reliable because there was not any repetition.

An experiment should be completed multiple times to be sure of accurate results.

A screenshot is attached.

Hope this helps! :)

6 0
4 years ago
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