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nikitadnepr [17]
3 years ago
15

The Earth orbits around the sun. Which scenario would cause the

Physics
1 answer:
lys-0071 [83]3 years ago
7 0

Answer:

B

Explanation:

because. it reduces the distance between the earth

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Why Tractor have wide and big wheels​
Lubov Fominskaja [6]
Rickshaw ke pahiye laga do ge tho bhai india ke roado ki haal waali feeling aaygi
8 0
3 years ago
URGENT!!!!! I WILL MARK U AS BRAINLIEST!!!!!!! A step-down transformer converts 120 V to 5 V in a phone charger. If the primary
Sloan [31]

Answer:

  25 turns

Explanation:

The voltage ratio is the turns ratio:

  secondary turns / primary turns = secondary voltage / primary voltage

  secondary turns / 600 = 5/120

  secondary turns = 600(5/120) = 25 . . . turns

The secondary coil has 25 turns.

6 0
3 years ago
If the mass of each ball were the same, but the velocity of ball A were twice as much as ball B, what do you think would happen
Margaret [11]
Given momentum is conserved and is mv

if
mass is the same and va=2vb
then momentum is m(2vb + vb)

if collision is elastic (bounces off)
then m(2vb + vb) = m(vfa + vfb)
3vb = vfa + vfb
meaning final velocities would be different

if collision is inelastic (sticks together)
then m(2vb + vb) = (m+m)vf
meaning final velocity would be same

is this what you wanted?
5 0
3 years ago
If the period of the lowest-frequency sound you can hear is 0.050 s, then what is its frequency?
seropon [69]
The frequency of a sound wave or any wave for that matter is the reciprocal of the period. That is,
                                            f = 1/T
Substituting the known value of period,
                                            f = 1/(0.05 s) 
                                            f = 20 Hz
Thus, the frequency of the wave is equal to 20 Hz. 
8 0
4 years ago
How old is a bone if it still has 50% of its carbon-14 content?
Degger [83]

Answer:

5730 years

Explanation:

The half life of carbon-14 is 5730 years.  If 50% of the carbon-14 remains, then exactly 1 half life has passed.

The half-life equation is:

A = A₀ (½)^(t / T)

where A is the remaining amount,

A₀ is the initial amount,

t is time,

and T is the half life.

In this case, A = ½ A₀ and T = 5730.

½ A₀ = A₀ (½)^(t / 5730)

½ = (½)^(t / 5730)

1 = t / 5730

t = 5730

6 0
3 years ago
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