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Ksenya-84 [330]
2 years ago
8

26 POINTS!! will give brailest! can anyone help me? if you can't well, Merry Christmas!

Physics
1 answer:
Korolek [52]2 years ago
5 0

Have an amazing day you are an amazing person:)

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Correct shape will reduce fluid friction.<br> True <br> False
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I believe that is true.

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3 years ago
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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,
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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

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K.E = 1/2mv^2

K.E = 1/2 × 70 × 8.5^2

K.E = 2528.75 J

K.E = 2.529 KJ

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Work done = 3.63 KJ

Therefore, the non conservative workdone is 3.6 KJ approximately

5 0
2 years ago
a 2,000 pound car is driving at 60 miles/hour along a straight, level road. what is the net force acting on the car?
SVETLANKA909090 [29]

Answer:

0

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According to Newton's second law, the net force is equal to the mass times the acceleration.  Since the car is not accelerating, the net force is 0.

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3 years ago
Which statement bet explains the relationship between the electric force between two charged objects and the distance between th
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Coulomb's Law: Force = k x q1x q2 divided distance square
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3 years ago
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Answer:

D) not swim in or drink the water from the stream

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