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alekssr [168]
3 years ago
13

Which of the following best explains why snow predictions by meteorologists are sometimes incorrect?

Physics
1 answer:
den301095 [7]3 years ago
6 0

Answer:

C. Interference from the sun causes data to be collected inaccurately.

Explanation:

Snow predictions by meteorologists are sometimes incorrect because from the sun causes data to be collected inaccurately.

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A 70-kg boy is surfing and catches a wave which gives him an initial speed of 1.6 m/s. He then drops through a height of 1.60 m,
Tems11 [23]

Answer:

3.6 KJ

Explanation: Given that a 70-kg boy is surfing and catches a wave which gives him an initial speed of 1.6 m/s. He then drops through a height of 1.60 m, and ends with a speed of 8.5 m/s. How much nonconservative work (in kJ) was done on the boy

The workdone = the energy.

There are two different energies in the scenario - the potential energy (P.E ) and the kinetic energy ( K.E )

P.E = mgh

P.E = 70 × 9.8 × 1.6

P.E = 1097.6 J

P.E = 1.098 KJ

K.E = 1/2mv^2

K.E = 1/2 × 70 × 8.5^2

K.E = 2528.75 J

K.E = 2.529 KJ

The non conservative workdone = K.E + P.E

Work done = 1.098 + 2.529

Work done = 3.63 KJ

Therefore, the non conservative workdone is 3.6 KJ approximately

5 0
2 years ago
What is peer review?...
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<span>computing or networking is a distributed application architecture that partitions tasks or work loads between peers. Peers are equally privileged, equipotent participants in the application. They are said to form a peer-to-peer network of nodes.</span>
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3 years ago
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Leonard is stressed and feeling overwhelmed by the college selection process. What should he do to combat this problem?
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He should ask other people for advice
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3 years ago
The smallest particle of an element that retains the characteristics of the element is a(n) ________
Novay_Z [31]
//////////“atom”//////////
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3 years ago
You have a 78.7 mF capacitor initially charged to a potential difference of 11.5 V. You discharge the capacitor through a 3.03 Ω
Aloiza [94]

Answer:

\tau=0.23\;second

Explanation:

Given,

C=78.7\;mF\\V=11.5\;V\\R=3.03\;\Omega\\

Time constant

\tau=RC\\\tau=78.7\times10^{-3}\times3.03\\\tau=238.461\times10^{-3}\;second\\\tau=0.23\;second

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3 years ago
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