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Elis [28]
3 years ago
7

There is a skier at the top of a ski slope. The skier has potential energy. What gives the skier his potential energy? A. his sp

eed B. friction C. gravity D. his efficiency
Physics
2 answers:
NeTakaya3 years ago
7 0

Answer:C

Explanation:

Skier at the top of a ski has Potential Energy due to gravity.

Potential Energy is the Energy Possessed by an object when it attains a height concerning some zero level Position.

During the process of attaining the height, some work has to be done against gravity and this energy stored within the object after attaining some height w.r.t relative zero position.                          

vfiekz [6]3 years ago
3 0

The answer is C: gravity

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Net displacement = 0

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Explanation:

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6 0
2 years ago
Find the net electric force that the two charges would exert on an electron placed at point on the xx-axis at xx = 0.200 mm. Exp
UkoKoshka [18]

Answer:

The question has some details missing, here is the complete question ; A -3.0 nC point charge is at the origin, and a second -5.0nC point charge is on the x-axis at x = 0.800 m. Find the net electric force that the two charges would exert on an electron placed at point on the x-axis at x = 0.200 m.

Explanation:

The application of coulonb's law is used to approach the question as shown in the attached file.

6 0
3 years ago
Fter carrying out some tests at a local stream, you discover that the pH in the stream is extremely low. Based on this, you shou
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Answer:

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

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Low pH means the water is acidic which is harmful to your skin as it can cause burns and irritations. So any means of contacting with water is not healthy. The damage to the skin happens as in acidic water it has more H+ than in the neutral water and the extra H+ ions can ionize the atoms  which are combined to form different compounds in the skin when in contact.

5 0
3 years ago
Read 2 more answers
A bicycle odometer which counts revolutions and is calibrated to report distance traveled is attached near the wheel axle and is
Bess [88]

Answer:

each rotation of the smaller wheel will show 84.382-75.3982=8.9838 inches more than the actual distance

Explanation:

d = Diameter of the wheel

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\pi d=\pi\times 24\\ =75.3982\ inch

Therefore, each rotation of the smaller wheel will show 84.382-75.3982=8.9838 inches more than the actual distance

6 0
3 years ago
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