3 years ago

Draw a circuit that contains 2 batteries, three lights in parallel and a switch that controls the whole circuit.

Physics

1 answer:

Naddik [55]3 years ago

6 0

Draw a circuit that contains 2 batteries, three lights in parallel and a switch that controls the whole circuit.

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It depends. If you are driving and the person doesn't look like a serial killer, you should stop.

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4 years ago

If a 25 kg object is moving at a velocity of 10 m/s, the object has<br> energy. Calculate it.

Paul [167]

Answer: Your answer is 1250J

Explanation:

K E = 1/2 m v 2

The mass is

m = 25 k g

The velocity is v = 10 m s − 1

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K E = 1 /2 x25 x 10 2^2= 1250 J

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3 years ago

The density of blood is 2kg/m.convert to g/cm

sertanlavr [38]

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3 years ago

If the mass is displaced 0.270 m from equilibrium and released, what is its speed when it is 0.130 m from equilibrium?

puteri [66]

Answer:

The speed is 1.52 m.

Explanation:

Given that,

Displacement =0.270 m

Distance = 0.130 m

Suppose a 0.321-kg mass is attached to a spring with a force constant of 13.3 N/m.

We need to calculate the angular velocity

Using formula of angular velocity

$\omega=\sqrt{\dfrac{k}{m}}$

Put the value into the formula

$\omega=\sqrt{\dfrac{13.3}{0.321}}$

$\omega=6.43\ rad/s$

We need to calculate the velocity

Using formula of velocity

$v=\omega\sqrt{A^2-x^2}$

Put the value into the formula

$v=6.43\times\sqrt{0.270^2-0.130^2}$

$v=1.52\ m/s$

Hence, The speed is 1.52 m.

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3 years ago

A box weighing 18 N requires a force of 6.0 N to drag it at a constant rate. What is the coefficient of sliding friction?

Rzqust [24]

0.33 . Equation is Force of friction equals normal force times coefficient of friction, so 6=18u. Divide 6 by 18

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4 years ago

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