2 years ago

What do parallel circuits and series circuits have in common

Physics

1 answer:

Sonbull [250]2 years ago

7 0

Voltage of each component is same.

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If you increase the amount of spinach you eat, then you will increase the iron in your blood. What's the dependent variable?

Solnce55 [7]

The dependent variable is the iron in your blood because it depends on the amount of spinach you eat. The independent variable will be the amount of spinach you eat since it doesn’t depend on the iron for anything.

3 0

2 years ago

Stars form from clouds of gas and dust. As a protostar gravitationally contracts within its parent cloud, "conservation of angul

vredina [299]

Answer:

D) True. the protostar rotates more quickly.

Explanation:

If the system is isolated, the angular momentum must be retained.

Initial

L₀ = I w₀

Final

$L_{f}$ = $I_{f}$ $w_{f}$

L₀ = $L_{f}$

I w₀ = $I_{f}$ $w_{f}$

$w_{f}$ = I / $I_{f}$ w₀

In general, the radius of the cloud decreases significantly to form the star, the moment of inertia must decrease, so the angular velocity must increase

Let's examine the answers

A) False. The opposite happens

B) False. Speed changes

C) False. For this there must be an external force, which does not exist

D) True. You agree with the above

5 0

3 years ago

PLEASE help with this question!

Ainat [17]

Answer:

the answer might the number 2

Explanation:

6 0

2 years ago

Who invented the atomic battery and what purpose does it serve

Nady [450]

Henry Moseley, its a generator which uses energy to generate electricity

6 0

3 years ago

Engine cylinder has an area of 0.01 m2. The gas exerts a constant pressure of 7.5 * 105 Pa on the piston and moves the piston to

kiruha [24]

Answer:

The positive sign indicates that work is done by the gas.

Explanation:

Let consider that gas inside the cylinder behaves ideally and process is isothermal, so that change in internal energy can be neglected. The engine cylinder is modelled after the First Law of Thermodynamics:

$W + P\cdot(V_{in}-V_{out}) = 0$

$W = P\cdot (V_{out}-V_{in})$

$W = P\cdot A\cdot \Delta x$

$W = (7.5\times 10^{5}\,Pa)\cdot (0.01\,m^{2})\cdot (0.04\,m)$

$W = 300\,kPa$

The positive sign indicates that work is done by the gas.

7 0

3 years ago