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german
3 years ago
5

How might you estimate the minimum temperature?

Physics
1 answer:
vampirchik [111]3 years ago
8 0

Answer:

I think it's B: b.

Use the number that lines up with the bottom part of the blue line on the left of the thermometer

Explanation:

The liquid in the thermometer makes a "U" crescent and you have to use the bottom of the "U" touches the the lines on the side.

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Answer: 4.9 x 10^6 joules

Explanation:

Given that:

mass of boulder (m) = 2,500 kg

Height of ledge above canyon floor (h) = 200 m

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Since potential energy is the energy possessed by a body at rest, and it depends on the mass of the object (m), gravitational acceleration (g), and height (h).

GPE = mgh

GPE = 2500kg x 9.8m/s2 x 200m

GPE = 4900000J

Place result in standard form

GPE = 4.9 x 10^6J

Thus, the gravita-tional potential energy of the boulder-Earth system relative to the canyon floor is 4.9 x 10^6 joules

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