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mars1129 [50]
3 years ago
5

You need eye drops for your dry eyes. You brought only a few dollars with you to the store. Which is the best method of choosing

the right eye drops to buy for your soft contact lenses
Physics
1 answer:
Mnenie [13.5K]3 years ago
4 0

Answer:

Compare brands first, but purchase the one that has lots of commercial advertisements, Compare ingredients and purchase the brand that is safe to use with soft contact lenses, Compare prices and purchase the most inexpensive brand.

Explanation:

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What is currently the most supported theory about the future of the universe
mamaluj [8]

the answer is B! it would continue to expand.....just took the test XD

8 0
3 years ago
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Waldo gets stopped by the police, and the police officer tells Waldo that she caught him on radar doing 50 miles per hour in a 4
sergij07 [2.7K]

Answer:

He calculated his average speed.

Explanation:

Waldo calculated an average of his speed in 2 hours rather than his speed whilst driving which means instead of doing 50/1 hour = 50 mph, he did 50/2hours which is how he got 25 mph. Hope this helps!

5 0
2 years ago
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A fisherman is fishing from a bridge and is using a "50.0-N test line." In other words, the line will sustain a maximum force of
umka21 [38]

Answer:(a) 50 N

(b)38.34 N

Explanation:

Given

Maximum tension(T) in line 50 N

(a)If line is moving up with constant velocity i.e. there is no acceleration

This will happen when Tension is equal to weight of Fish

T-mg=0

T=mg

Maximum weight in this case will be 50 N

(b)acceleration of magnitude 2.98 m/s^2

T-mg=ma

50=m\left ( g+a\right )

50=m\left ( 12.78\right )

m=3.91

Therefore weight is 3.91\times 9.8=38.34 N

7 0
3 years ago
A 2.0-kg cart collides with a 1.0-kg cart that is initially at rest on a low-friction track. After the collision, the 1.0-kg car
nikitadnepr [17]

To solve this problem we will apply the concepts related to the conservation of momentum. The momentum can be defined as the product between the mass of the object and its velocity, and the conservation of the momentum as the equality between the change of the initial momentum versus the final momentum. Mathematically, this relationship can be described as

m_1u_1+m_2u_2 = m_1v_2+m_2v_2

Here,

m_{1,2} = Mass of each object

u_{1,2} = Initial velocity of each object

v_{1,2} = Final velocity of each object

According to the statement one of the bodies does not have initial velocity, therefore said term would be zero. And the equation could be rewritten as,

m_1u_1= m_1v_2+m_2v_2

Replacing the values respectively (The mass of your body with its respective speed we would have)

2kg(u_1) = 2kg(0.3m/s)+1kg(0.5m/s)

u_1 = \frac{2kg(0.3m/s)+1kg(0.5m/s)}{2kg}

u_1 = 0.55m/s

Therefore the initial velocity of the 2kg cart is 0.55m/s

4 0
3 years ago
Answer the question correctly & look at the picture.
iragen [17]
C is the answer

Hope that helps can I get a thanks?
8 0
3 years ago
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