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densk [106]
3 years ago
15

A plane mirror is placed to the right of an object. The image formed by the mirror will be a

Physics
2 answers:
Aleks [24]3 years ago
6 0
Real time that appears to be on the right if the mirror
guajiro [1.7K]3 years ago
3 0

Answer:

A plane mirror is placed to the right of an object. The image formed by the mirror will be a virtual image that appears to be on the left of the mirror.

Explanation:

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An electron with a charge value of 1.6x10^-19 C is in the presence of an electric field of 300 N/C when located between a pair o
Blababa [14]

(1.6 x 10⁻¹⁹ C) x (300 N/C) = <em>4.8 x 10⁻¹⁷ Newton</em>

<em></em>

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4 years ago
A janitor standing on the top floor of a building wishes to determine the depth of the elevator shaft. They drop a rock from res
Bumek [7]

Answer:

Part a)

H = 26.8 m

Part b)

error = 7.18 %

Explanation:

Part a)

As the stone is dropped from height H then time taken by it to hit the floor is given as

t_1 = \sqrt{\frac{2H}{g}}

now the sound will come back to the observer in the time

t_2 = \frac{H}{v}

so we will have

t_1 + t_2 = 2.42

\sqrt{\frac{2H}{g}} + \frac{H}{v} = 2.42

so we have

\sqrt{\frac{2H}{9.81}} + \frac{H}{336} = 2.42

solve above equation for H

H = 26.8 m

Part b)

If sound reflection part is ignored then in that case

H = \frac{1}{2}gt^2

H = \frac{1}{2}(9.81)(2.42^2)

H = 28.7 m

so here percentage error in height calculation is given as

percentage = \frac{28.7 - 26.8}{26.8} \times 100

percentage = 7.18

5 0
3 years ago
Can the number of protons in an element ever change?
adelina 88 [10]
The number of protons in any element can never change.
4 0
3 years ago
Read 2 more answers
I need help with number 2 please!!!!! Hurry!!!!!
vovangra [49]
Balance them that's the reason why
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What is a nebula? <br> please help I am clueless
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