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crimeas [40]
3 years ago
14

Which bulbs would be on and or off if :

Physics
2 answers:
insens350 [35]3 years ago
6 0
Bulbs c and b would still be screwed in if they were in to begin with and bulbs A, D, and E. would be unscrewed
Alex73 [517]3 years ago
6 0
-- If Bulb-A is removed or burns out . . .
ON:  B,  D,  E
OFF:  A,  C

-- If Bulb-D is removed or burns out . . .
ON:  A,  C,  E
OFF:  B,  D 

-- If Bulb-E is removed or burns out . . .
ON:  none 
OFF:  all
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A hiker walks 20.51 m at 33.16 degrees. What is the Y component of his displacement?
Serhud [2]

Answer:

<em>The y component of his displacement is 11.22 meters</em>

Explanation:

<u>Components of the displacement</u>

The displacement is a vector because it has a magnitude and a direction. Let's suppose a displacement has a magnitude r and a direction θ, measured with respect to the positive x-direction. The horizontal component of the displacement is calculated by:

x=r\cos\theta

The vertical component is calculated by:

y=r\sin\theta

The hiker has a displacement with magnitude r = 20.51 m at an angle of 33.16 degrees. Substituting in the above equation:

y=20.51\sin(33.16^\circ)

y=11.22\ m

The y component of his displacement is 11.22 meters

7 0
3 years ago
On the decibel scale, an increase of 10 decibels means an intensity increase of __________times?
Sonbull [250]

Answer:

10

Explanation:

The decibel or decibel, is a unit that relates two values ​​of sound pressure, and electrical power. the base unit is the bel, but given the amplitude but for practicality, a submultiple, the decibel, is used. It is a scalar expression .

Zero belios is the reference value used as a base, hence a bel is equivalent to 10 decibels and means that there is a power increase of 10 times over the reference value.

3 0
3 years ago
Read 2 more answers
On what evidence do you accept the statement,"Aboslute zero is at -273."​
MissTica

Answer:

ffgfgffgffg

Explanation:tytttyyttyy

7 0
2 years ago
What is the Kinetic Energy of the glass when it is
poizon [28]

Answer: 197

Explanation:

Because mechanical energy and mass it speeds up

7 0
3 years ago
A horizontal sheet of negative charge has a uniform electric field E = 3000N/C. Calculate the electric potential at a point 0.7m
vesna_86 [32]

Answer:

Electric potential, E = 2100 volts

Explanation:

Given that,

Electric field, E = 3000 N/C

We need to find the electric potential at a point 0.7 m above the surface, d = 0.7 m

The electric potential is given by :

V=E\times d

V=3000\ N/C\times 0.7\ m

V = 2100 volts

So, the electric potential at a point 0.7 m above the surface is 2100 volts. Hence, this is the required solution.

6 0
3 years ago
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