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krok68 [10]
2 years ago
13

To view an enlarged upright image of an object through a simple magnifier, where must the object be located?.

Physics
1 answer:
Andre45 [30]2 years ago
6 0

Answer:within the focal length of the lens, provided the focal length is shorter than the near point distance.

Explanation:Hope it helps

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A student pulls a 50-newton sled with a force having a magnitude of 15 newtons. What is the magnitude of the force that the sled
Simora [160]

Answer:

Force = 35 N

Explanation:

From Newton's third law of motion, the boy must apply a force greater than the weight of the sled to lift it.

weight of sled = mg

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weight of sled = 50 N

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Since the force applied on the sled by the boy is lesser than the weight of the sled, then;

Force that the sled exerts on the student = 50 - 15

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5 0
3 years ago
Which best describes a concave lens?
-Dominant- [34]

Answer:

Explanation:

Concave lens also called as diverging lens i.e. it diverges ray of light coming towards it.

Concave lens is thicker at the edges and thinner at the center.

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4 0
3 years ago
A 12 kg barrel is pulled up by a rope. The barrel accelerates at 1.2 m/s2. Find the force exerted by the rope. Show all your wor
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Answer:

F = 132N

Explanation:

Let the pulling force be F

Given the mass of the barrel is 12 Kg and The acceleration is 1.2 m/sec^2

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F = mg + ma

F = m(a+g) = 12\times (1.2 +9.8)=132N  

Note that there will be a downward force acting on the body which is equal to mg

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