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pishuonlain [190]
3 years ago
5

The heat Fusion is the amount of heat required to__

Physics
1 answer:
Annette [7]3 years ago
5 0
C. Melt 1g if solid into liquid.
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A jogger hears a car alarm and decides to investigate. While running toward the car, she hears an alarm frequency of 872.10 Hz.
Nata [24]

Answer:

v = 4.18 m/s

Explanation:

given,

frequency of the alarm = 872.10 Hz

after passing car frequency she hear = 851.10 Hz

Speed of sound = 343 m/s

speed of the jogger = ?

speed of the

v_f = \dfrac{872.10-851.10}{2}

v_f =10.5\ Hz

v_o = 872.1 - 10.5

V_0 = 861.6\ Hz

The speed of jogger

v = \dfrac{v_1 \times 343}{v_0}-343

v = \dfrac{872.1 \times 343}{861.6}-343

v = 4.18 m/s

5 0
3 years ago
This is heat transfer due to differences in density
Gala2k [10]

Answer:

convection

Explanation:

Heat transfer by convection is caused by differences of temperature and density within a fluid.

8 0
3 years ago
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Ball A was carried to the top of a hill in a straight line, while ball B was carried in a longer, zigzag path. At the top of the
marissa [1.9K]

Answer: equal

Explanation:

Don’t know why honestly

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3 years ago
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The generation of a magnetic field by an electric current is _____
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The generation of a magnetic field by an electric current is _electromagnetism_.

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Why is the scientific method described as cyclic?
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Because the scientific method can go around in a circle as many times as neccisary to get the results you need
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