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kogti [31]
3 years ago
9

You can see your image in front of mirror but not in the wall .why?​

Physics
1 answer:
vivado [14]3 years ago
3 0

Answer:

Because Bricks don't reflect. but mirrors reflect due to their lustre nature.

Explanation:

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A cooling fan is turned off when it is running at 850 rev/min. It turns 1500 revolutions before it comes to a stop. (a) What was
8_murik_8 [283]

Answer

given,

cooling fan revolution = 850 rev/min

fan turns before revolution = 1500 revolutions

\omega = 850 \dfrac{2\pi}{60}

\omega = 89\ rad/s

θ = 1500 revolution

θ = 1500 x 2 x π

θ = 9424.78 rad

a) using equation of rotation

ω² = ω₀² + 2 α θ

ω = 0 because body comes to rest

0 = 89² + 2 x α x 9424.78

α = -0.42 rad/s²

b) time take for the fan to stop

ω = ω₀ + α t

0 = 89 - 0.42 t

t = \dfrac{89}{0.42}

t = 211.9 s

5 0
3 years ago
(3.16_Q2) Which weights would you use on a single thread to create a 6.86 N force? Question 2 options: Weight IDs A, B, C, D Wei
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1. E,F

2. D,E,F

3. B,C,E,G

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5 0
3 years ago
Describe how all the air in the oven becomes hot?
vladimir1956 [14]
I think through convection I forget. Plus its enclosed (and, well closed)
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3 years ago
Which example provides the most complete description of an object's motion?
cupoosta [38]

Answer:

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Explanation:

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Distance, d = 2 miles = 3218.6 m

times, t = 30 minutes = 1800 seconds

So, we can say that the hiker is moving with a speed of 1.78 m/s in north direction.

Hence, this is the required solution.

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3 years ago
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