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Elis [28]
3 years ago
10

three small balls each of mass 13.3g are suspended separately from a common point by silk threads, each 1.17m long. The balls ar

e identically charged hang at the corners of equilateral triangle 15.3 cm on a side. Find the charge on each ball
Physics
1 answer:
RideAnS [48]3 years ago
8 0
The balls are identical charges hang at the corners of equlilateral
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You serve a volleyball with a mass of 0.77 kg. The ball leaves your hand with a velocity of
dimaraw [331]
<h2>Given :</h2>

  • mass (m) = 0.77 kg

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<h2>Solution :</h2>

\boxed{ \mathrm{Kinetic  \: Energy =  \frac{1}{2} m {v}^{2} }}

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A conservative force acts on a particle. We can conclude:
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Answer:

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A certain heat engine does 30.2 kJ of work and dissipates 9.14 kJ of waste heat in a cyclical process.
valina [46]

Answer:

a) H_{in}=39.34 kJ

b) Efficiency=76.77%

Explanation:

a)

In order to solve this problem, we can use the following formula:

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the problem provides us with all the necessary information so we can directly use the formula:

H_{in}=9.14kJ+30.2kJ

H_{in}=39.34 kJ

b) In order to find the efficiency, we can use the following formula:

Efficiency=\frac{W}{H_{in}}*100\%

so we get:

Efficiency=\frac{30.2kJ}{39.34kJ}*100\%

Efficiency=76.77%

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