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RoseWind [281]
4 years ago
6

What do a mirror and a magnifying glass have in common? What makes them different?

Physics
1 answer:
jeka57 [31]4 years ago
6 0

Answer:

They both have a reflection, but a mirror just reflects anything in front of it, while a magnifying glass helps you see closer through the reflection of something.

Explanation:

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How can Punnett square predict results of crossbreedind in peas
nika2105 [10]
Hey there,

Question: <span>How can Punnett square predict results of crossbreedind in peas?

Answer : </span><span>Because it shows all alleles and possible phenotypes.

Hope this helps :D

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6 0
3 years ago
A baseball pitcher loosens up his pitching arm. He tosses a 0.20-kg ball using only the rotation of his forearm, 0.28 m in lengt
gayaneshka [121]

Answer:

Moment of Inertia, I = 0.016 kgm²

Explanation:

Mass of the ball, m = 0.20 kg

Length of the pitcher's arm, l = 0.28

Radius of the circular arc, r = 0.28 m

Moment of Inertia is given by the formula:

I = mr²

I = 0.20 * 0.28²

I = 0.20 * 0.0784

I = 0.01568

I = 0.016 kgm²

5 0
4 years ago
Predict the products of the combustion of methanol, CH3OH(l).
gregori [183]

Answer:

Carbon dioxide and water

Explanation:

The products of complete combustion are always carbon dioxide and water.

The balanced reaction is:

4 CH₃OH + 3 O₂ → 4 CO₂ + 2 H₂O

8 0
3 years ago
Read 2 more answers
A person pushes a 10 kg box from rest and accelerates it to a speed of 4 m/s with a constant force. If the box is pushed for a t
lutik1710 [3]

The box is accelerated from rest to 4 m/s in a matter of 2.5 s, so its acceleration <em>a</em> is such that

4 m/s = <em>a</em> (2.5 s)   →   <em>a</em> = (4 m/s) / (2.5 s) = 1.6 m/s²

Then the force applied to the box has a magnitude <em>F</em> such that

<em>F</em> = (10 kg) (1.6 m/s²) = 16 N

7 0
3 years ago
What is the current in a circuit if 3.50 C of charge passes any given point in a circuit in 1.80 s?
stepan [7]

Answer:

I = 1.944 A

Explanation:

<u>Given the following data;</u>

Charge, Q = 3.5C

Time, t = 1.8 secs

Charge of a substance is given by the formula;

Q = It

Where;

Q is the amount of charge measured in Colombs.

I is the current measured in Amperes.

t is the time measured in seconds.

Making I the subject of formula, we have

I = \frac {Q}{t}

I = \frac {3.5}{1.8}

I = 1.944 A

Therefore, the current in the circuit is 1.944 Amperes.

7 0
3 years ago
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