2 years ago

Is cracking the eggs a physical change or a chemical change and why

1 answer:

3 0

Answer:

Cracking of an egg is a physical change since the egg and the stuff inside does not change but the shape or appearance of the shell changes.

Explanation:

Hope it helps

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3 years ago

What do nebulae have the most in common with?

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3 years ago

A 90 kg painter is standing on a horizontal wooden scaffolding of length 10 m, which is supported on each end by a rope. The pai

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Explanation:

For equilibrium, $\sum M = 0$ .

So, $8 m \times mg - (10 m) T_{1}$ = 0

$T_{1} = \frac{8 \times mg}{10}$

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Also, for equilibrium $\sum F_{y}$ = 0

$T_{1} + T_{2} - mg$ = 0

or, $T_{2} = mg - T_{1}$

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3 years ago

A person in a kayak starts paddling, and it accelerates from 0 to 0.61 m/s in a distance of 0.39 m. If the combined mass of the

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Answer:

35.3 N

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U = 0, V = 0.61 m/s, s = 0.39 m

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Use third equation of motion

V^2 = u^2 + 2 as

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a = 0.477 m/s^2

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F = 74 × 0.477 = 35.3 N

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Facts about Alessandro Volta?

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