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Mrrafil [7]
3 years ago
9

A 50 V source is attached to a 9 Ohm light bulb, a 15 Ohm resistor, and a 17 Ohm resistor. What is the total resistance in the c

ircuit?
Physics
1 answer:
4vir4ik [10]3 years ago
4 0

Answer:

41

Explanation:

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the andromeda galaxy

Explanation:

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3 years ago
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Andrea is investigating how increasing the concentration of sugar affects the boiling point of the solution. What would be the b
NNADVOKAT [17]

An increase in the concentration of sugar in a solution leads to the increase in boiling point of the solution.

<h3>What is boiling point?</h3>

Boiling point of a solution is that pressure exerted on a liquid by its surrounding is equal to the vapour pressure of the liquid.

When there is an increase in concentration of solute, more space will be occupied in the fluid leading to an increase in the boiling point of the fluid.

Therefore, An increase in the concentration of sugar in a solution leads to the increase in boiling point of the solution.

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3 years ago
A 1000 kg car is rolling slowly across a level surface at 1m/s, heading toward a group of small innocent children.
Ne4ueva [31]

Answer:

The force is -1620.73 N.

Explanation:

Given that,

Mass of car = 1000 kg

Velocity = 1 m/s

Distance = 2 m

Angle = 30°

We need to calculate the force

Using formula of work done

W_{net}=K_{f}-K_{i}

F\times d=K_{f}-K_{i}

Fd\cos\theta=-K_{i}

F=\dfrac{-K_{f}}{d\cos\theta}

F=-\dfrac{\dfrac{1}{2}mv^2}{d\cos\theta}

Put the value into the formula

F=-\dfrac{\dfrac{1}{2}\times1000\times(1)^2}{2\times\cos30}

F=-1620.73\ N

Hence, The force is -1620.73 N.

7 0
4 years ago
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Can a plane mirror firm a real image ? if yes tell me how ?​
alexdok [17]

Answer:

Explanation:

A plane mirror will produce a virtual image of a real object. But it is correct that a plane mirror will also produce a real image of a virtual object.A virtual image An image in a mirror is a virtual object, which can in turn be used to create another image. This can occur when you have more than one optical element in the optical system. Then the object of one component becomes the image of the next optical component.

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3 0
3 years ago
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True or False If the mass of the object increases, then the potential energy of the object decreases.​
Oliga [24]

Answer:

The amount of gravitational potential energy an object has depends on its height and mass. The heavier the object and the higher it is above the ground, the more gravitational potential energy it holds. Gravitational potential energy increases as weight and height increases.

Explanation:

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2 years ago
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