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mafiozo [28]
3 years ago
10

Lifting a stone block 146m to the top of the Great Pyramid required 146,000 J of work. How much work was done to lift the block

halfway to the top?
A. 36,500 Joules
B. 73,000 Joules
C. 146,000 Joules
D. 292,000 Joules
Please help me.
Physics
1 answer:
ASHA 777 [7]3 years ago
3 0
B is your answer to the question
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In 2-3 complete sentences, explain why the needle on a compass always points in the direction of magnetic north.
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A playground slide is in the form of an arc of a circle with a maximum height of 3.0 m, with a radius of 8.5 m, and with the gro
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Answer:

a) s \approx 6.676\,m

Explanation:

a) Let assume that the ground is not inclined, since the bottom of the playground slide is tangent to ground. Then, the length of given by the definition of a circular arc:

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The bottom of the slide has a height of zero. The physical phenomenon around Dr. Ritchey's daughter is modelled after Principle of Energy Conservation. The child begins at rest:

U_{g,A} = K_{B} + W_{fr}

m\cdot g \cdot h_{A} = \frac{1}{2}\cdot m \cdot v_{B}^{2} + f\cdot s

The average frictional force is cleared within the expression:

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3 years ago
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A water line enters a house 2.0 m below ground. A smaller diameter pipe carries water to a faucet 5.0 m above ground, on the sec
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Answer:

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In the exercise they give us the speeds and the height of the turbid, so we can calculate the pressure difference

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