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ZanzabumX [31]
3 years ago
12

A 500 kg roller coaster moving at 15 m/s suddenly comes to a stop at the end of the ride. How much work energy was needed to sto

p the coaster?
Physics
1 answer:
saveliy_v [14]3 years ago
4 0

Answer:

energy required=-energy lost

energy lost=change in kinetic energy

EL=1/2 mv^2

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Answer:

 Coil 2 have  235  loops

Explanation:

Given  

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Let

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Given, the emf in a single loop in two coils are same. That is,

ϕ ₁/n ₁= ϕ ₂ n ₂⟹ 2.78/159 = 4.11/ n ₂

n₂=\frac{159 * 4.11}{2.78}

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A child has a mass of 35 kg. The child is running across a fiend and has a speed of 3 m/s. What is the kinetic energy of the chi
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