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Sidana [21]
3 years ago
11

You need to connect your doorbell to a battery. You should select wire that will

Physics
1 answer:
Harlamova29_29 [7]3 years ago
6 0
Run electrity through or is postive to the circuit
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A guy wire helping to stabilize a transmitting tower 500 m high makes in angle of 50° with the ground. In a strong wind, the tow
timurjin [86]

They give us the cable tension t = 1500 newton. We assume that the mass of the cable is negligible compared to that of the tower.

We have a force t of 1500 Newton. This force has a vertical component on the y axis and a horizontal component on the x axis.

Of these two components of force, we are especially interested in calculating is the magnitude of the vertical component.

If the angle that it forms with the ground is 50 °, then the vertical component of the force is:

Fy = 1500sin (50)

Fy = 1149 N. <1200 N

The wire will not be loose

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3 years ago
Part 1. Define the following terminologies
skelet666 [1.2K]

Answer:

1: Elements are substances that cannot be broken down into more substances.

2: Compounds are a group of elements in a specific ratio.

3: A metalloid is between a metal and a non-metal.

4: A physical property is a property you can see or touch.

5: A chemical property is a property seen in chemical reactions.

6: Alloys are the combination of two or more metals to make a better material.

7: An insulator doesn't let heat and sound escape.

8: Corrosion is when a metal reacts to oxygen, water, or sulfur.

9: Rust is when a metal is exposed to oxygen

Explanation:

5 0
3 years ago
An object accelerating may be changing in what two ways
Oksana_A [137]
Velocity and direction
8 0
3 years ago
A pendulum is made by attaching a sphere to the end of a string of negligible mass and it oscillates when released from an angle
Rudik [331]

Answer:

Angular momentum conservation and kinetic energy. Torsional ... motion-observation of what a given object does in relation to other objects. Frames of ... shows that the rectangular and spherical polar coordinates are related as follows: ... 2mo, which are connected by a string over a pulley of negligible mass and prevented.

Explanation:

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3 years ago
If you weighted 130 lbs on Earth how much would you weigh on the moon?
In-s [12.5K]

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21

Explanation:

Weight on the moon is 16.5 % of weight on earth

Weight on moon = 0.165 * 130

Weight on moon = 21 lbs

3 0
3 years ago
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