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Rudik [331]
3 years ago
13

What enables the human eye to "see" light in the infrared range of the electromagnetic spectrum?

Physics
1 answer:
Phantasy [73]3 years ago
6 0
A thermogram<span> enables the human eye to "see" light in the infrared range of the electromagnetic spectrum.</span>
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When a mass of 24 g is attached to a certain spring, it makes 21 complete vibrations in 3.3 s. What is the spring constant of th
lyudmila [28]

Answer: 3.889N/m

Explanation:

f=(1/2)*√k/m

f=n/t

f= 21/3.3=6.4Hz

6.4*2=√k/m

12.73=√k/m

12.73^2=k/m

162.0529=k/m

Since m=24g

Convert g to kg

m=24/1000

m=0.024kg

K=162.0529*0.024

K=3.889N/m

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3 years ago
The table shows the specific heat capacities of various substances. How much energy is required to raise the temperature of 5g o
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What kind of image is formed when an object is placed at the focal point of a convex lens? Explain WHY this is the image that oc
mariarad [96]

Answer:

Since light does not actually pass through this point, the image is referred to as a virtual image. Observe that when the object in located in front of the focal point of the converging lens, its image is an upright and enlarged image that is located on the object's side of the lens.

Explanation:

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Three polarizing filters are stacked, with the polarizing axis of the second and third filters at angles of 23.8 ∘ and 65.0 ∘, r
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4 years ago
A walkman uses four standard 1.5 V batteries. How much resistance is in the circuit if it uses a current of 0.02A? *
hodyreva [135]

Answer:

75ohms

Explanation:

V= IR

V = 1.5volts

I = 0.02A

1.5 = 0.02×R

Making R the subject

R = 1.5/0.02

R = 75ohms

The resistance in the circuit will be 75ohms

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3 years ago
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