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lilavasa [31]
3 years ago
14

What is the diameter of a sphere with a volume of 15276 cm", to the nearest tenth

Mathematics
2 answers:
poizon [28]3 years ago
5 0

Answer:

15.4

Step-by-step explanation:

15276 = 4/3 πr³

11457 = πr³

3646.88 = r³

15.4 = r

ExtremeBDS [4]3 years ago
5 0

Answer:

30.8

Step-by-step explanation:

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A car has mass 1500 kg and is traveling at a speed of 35 miles/hour. what is its kinetic energy in joules? (Be sure to convert m
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Factor by which kinetic energy increase = 4 times

Step-by-step explanation:

Given,

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  • initial speed of car = 35 miles/h

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Initial kinetic energy of the car is given by,

k_1\ =\ \dfrac{1}{2}.m.v_1^2

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                                      =\dfrac{70\times 1609.34}{3600}

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So, final kinetic energy of car is given by

k_2\ =\ \dfrac{1}{2}.m.v_2^2

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        = 734425.84 J

Now, the ratio of final to initial kinetic energy can be given by,

\dfrac{k_2}{k_1}=\ \dfrac{734425.84}{183606.46}

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Hence, the kinetic energy will increase by 4 times.

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