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GaryK [48]
3 years ago
8

Which of the following may have happened if the inner planets had greater masses during the formation of the solar system? . . A

. The inner planets may have been even smaller and rockier. . B. The inner planets may have been larger and more gaseous. . C. The inner planets may each have had ice on their surface. . D. There may have been only three inner planets.
Physics
1 answer:
Svetach [21]3 years ago
5 0
Right answer is option b that is the inner planet may havebeen larger and more gaseous.
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A circular loop of wire 78 mm in radius carries a current of 114 A. Find the (a) magnetic field strength and (b) energy density
Finger [1]

Explanation:

It is given that,

Radius of loop, r = 78 mm = 0.078 m

Current, I = 114 A

(a) Magnetic field strength of the circular loop is given by :

B=\dfrac{\mu_oI}{2R}

B=\dfrac{4\pi \times 10^{-7}\times 114}{2\times 0.078}

B = 0.000918 T

or

B=9.18\times 10^{-4}\ T

(b) Energy density at the center of the loop is given by :

U=\dfrac{B^2}{2\mu_o}

U=\dfrac{(0.000918)^2}{2\times 4\pi \times 10^{-7}}

U=0.335\ J/m^3

Hence, this is the required solution.

7 0
3 years ago
A car travels 6 m north for 2 seconds and 8 m south for 5 seconds. What is the car's
Degger [83]
2 m/s. 6+8/2+5 = 14/7 = 2
8 0
2 years ago
Read 2 more answers
A 4.0 kg mass is attached to a spring whose spring constant is 950 N/m. It oscillates with an amplitude of 0.12 m. What is the m
Fudgin [204]

Answer:

velocity = 2.62m/s

Explanation:

950= (4 x A)/0.12

950 x 0.12 = 4 x A

114 = 4 x A

A = 114/4

A = 28.5m/s²

  • U²=2as
  • U² = 2 x 28.5 x 0.12
  • U² = 6.84
  • U = √6.84
  • U = 2.62m/s
3 0
3 years ago
Please help me!!
Mars2501 [29]

Answer it's 1,445 A

Explanation:

Basically 9,875 - what will give you 8,430 that's what's its asking. Its just a gap.

7 0
3 years ago
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If a man weighs 750 n on the earth, what would he weigh on jupiter, where the free-fall acceleration is 25.9 m/s2?
Zepler [3.9K]
1982.14N is the answer
4 0
4 years ago
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