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Gemiola [76]
3 years ago
6

Odtake them for freee​

Physics
2 answers:
VARVARA [1.3K]3 years ago
8 0

Answer:

Can i plz have brainliest

Explanation:

Stolb23 [73]3 years ago
5 0

Answer:

Thank youu89okkiiiooo

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As a rubber band and moves forward, which of the following is true
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Answer:

It can go back to it's original shape

Explanation:

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A spring is 4 cm long. A student hangs a weight of 2N. It is now 5.5 cm long.
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(i)1.5cm
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2 years ago
An observer in frame S sees lightning simultaneously strike two points 100 m apart. The first strike occurs at xx1 = yy1 = zz1 =
Veseljchak [2.6K]

Answer:

a) 0, = -0.33 us

b) 140m

c) No, The event are not simultaneous i.e they did not occur at the same time, the second even (-0.33 usec) occurs 0.33 usec earlier than the first event.

Explanation:

a)

the lorentz factor expression is written as;

y = 1₀ / √(1 - (v²/c²))

where v  is the relative speed of an observer and c is the speed of light

so we were given that relative speed to be o.7c

therefore

y = 1 / √(1 - ((0.7c)² / c²))

y = 1 / √(1 - (0.49c² / c²))

y = 1 / √(1 - 0.49)

y = 1 / 0.7141

y = 1.4

1 - the coordinates  of the first event, the s' frame of reference is,

x1 ' = y(x1 - vt1) = 0

y1 ' = y1, z1' = z1 and

t1 ' = y [t1 - v/c²x1]

= 0

2 - the coordinates of the second event, the s ' frame of reference is'

x2 ' = y(x2-vt2)

= 1.4(100m - 0)

= 140m

y2 ' = y2, z2 ' = z2

t2 ' = y [ t2 - v/c²x2 ]

= 1.4 [ 0 - 0.7c/c²(100) ]

using speed of light c as 3*10^8

1.4 [ 0 - (0.7*3*10^8) / (3*10^8)²(100) ]

= -0.33 us

b)

distance between

delltaX' = X2' - X1'

= 140m - 0

= 140m

c)

No, The event are not simultaneous i.e they did not occur at the same time.

the second even (-0.33 us) occurs 0.33 us earlier than the first event.

4 0
3 years ago
(A) Electricity and Magnetism
Maksim231197 [3]

electricity

Explanation:

the position (2,o

5 0
3 years ago
Byeeeeeeeeeeeejdiiwidjwdjj2xi2idiwidisididie
Advocard [28]

Answer:

Be serious or else CEO of brainly will kick you out

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