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OLEGan [10]
4 years ago
14

A 12.0-kg shell is launched at an angle of 55.0 ∘ above the horizontal with an initial speed of 150 m/s. when it is at its highe

st point, the shell exploded into two fragments, one three times heavier than the other. the two fragments reach the ground at the same time. assume that air resistance can be ignored. if the heavier fragment lands back at the same point from which the shell was launched, where will the lighter fragment land and how much energy was released in the explosion
Physics
1 answer:
Stolb23 [73]4 years ago
7 0
Hey there! Congratulations on posting your first question! I just want to thank you for taking the initiative to check out Brainly. With Brainly, students combine their strengths and talents to tackle problems together and by answering questions, you’ve helped several students learn even more, both quickly and effectively. If you ever have any questions or concerns feel free to PM me or check out our help center (faq.brainly.com). Thanks! 
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The mass of Jupiter is 1.9 × 1027 and that of the sun is 1.99 × 1030. The
n200080 [17]

Answer:

F = 4.147 × 10^23

v = 1.31 × 10^4

Explanation:

Given the following :

mass of Jupiter (m1) = 1.9 × 10^27

Mass of sun (m2) = 1.99 × 10^30

Distance between sun and jupiter (r) = 7.8 × 10^11m

Gravitational force (F) :

(Gm1m2) / r^2

Where ; G = 6.673×10^-11 ( Gravitational constant)

F = [(6.673×10^-11) × (1.9 × 10^27) × (1.99 × 10^30)] / (7.8 × 10^11)^2

F = [25.231 × 10^(-11+27+30)] / (60.84 × 10^22)

F = (25.231 × 10^46) / (60.84 × 10^22)

F = 3.235 × 10^(46 - 22)

F = 0.4147 × 10^24

F = 4.147 × 10^23

Speed of Jupiter (v) :

v = √(Fr) / m1

v = √[(4.147 × 10^23) × (7.8 × 10^11) / (1.9 × 10^27)

v = √32.3466 × 10^(23+11) / 1.9 × 10^27

v = √32.3466× 10^34 / 1.9 × 10^27

v = √17. 023 × 10^34-27

v = √17.023 × 10^7

v = 13047.221

v = 1.31 × 10^4

4 0
4 years ago
Where is the switch located on this diagram?
Fed [463]
For this case, the switch is located at point B of the diagram.
 Remember that point D is the universal symbol for resistance.
 In A what you have is a source of power and in C what you have is a cable.
 Therefore, the answer for this case is B.
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3 years ago
If Petrol diesel etc catches fire one should never try to extinguish in using water why?​
FrozenT [24]

Answer:

because both petrol and diesel are oil

Explanation:

oil floats on water that's why if we will try to extinguish with water so the fire will float on <u>water</u>

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When does a star reach equilibrium?
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A protostar reaches equilibrium when gravity is balanced by the outward force of nuclear fusion. 
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Savanna regions developed during the Triassic period. true or false
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Savanna regions developed during the Triassic period. is true
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