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Georgia [21]
3 years ago
11

1. Which force opposes motion between two surfaces in direct contact?

Physics
2 answers:
hjlf3 years ago
8 0

Answer: friction

Explanation:

ruslelena [56]3 years ago
4 0

Answer:

1. C

2. C

Explanation:

1 is like running your socks on the carpet it creates friction.

2. is because the force you have by yourself is less than the sofas

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Which of the following statements are true for magnetic force acting on a current-carrying wire in a uniform magnetic field? Che
qaws [65]

Answer:

The following statements are correct.

1. The magnetic force on the current-carrying wire is strongest when the current is perpendicular to the magnetic field lines.

2. The direction of the magnetic force acting on a current-carrying wire in a uniform magnetic field is perpendicular to the direction of the field.

3. The direction of the magnetic force acting on a current-carrying wire in a uniform magnetic field is perpendicular to the direction of the current.

Wrong statements:

1. The magnetic force on the current-carrying wire is strongest when the current is parallel to the magnetic field lines.

Explanation:

6 0
3 years ago
What are some of the downsides of using hydroelectric power?.
never [62]
Has an Environmental Impact. Perhaps the largest disadvantage of hydroelectric energy is the impact it can have on the environment.
It Displaces People.
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There are Droughts.
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4 0
2 years ago
In this lab, you observed how different factors such as velocity, gradient, and ____ , or amount of water in a stream, affect th
egoroff_w [7]

Answer:

volume and erosion

Explanation:

7 0
3 years ago
Read 2 more answers
A constant magnetic field can be used to produce an electric current. True or False?
Umnica [9.8K]

this question is true

6 0
4 years ago
A 3.0-A current is maintained in a simple circuit that consists of a resistor between the terminals of an ideal battery. If the
harina [27]

Answer:

R=2.78\ \Omega

Explanation:

Given that,

The current flowing in the circuit, I = 3 A

The power of the battery, P = 25 W

We need to find the resistance of the battery. We know that the power of the battery is given by the formula as follows :

P=I^2R

Put all the values to find R.

R=\dfrac{P}{I^2}\\\\R=\dfrac{25}{(3)^2}\\\\R=2.78\ \Omega

So, the resistance is equal to 2.78\ \Omega.

7 0
3 years ago
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