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melomori [17]
3 years ago
15

Joan makes the device shown in her science class. What would happen to the magnetic field if she connects the battery in the opp

osite direction?
Physics
2 answers:
Maru [420]3 years ago
6 0

The field reverses its poles, meaning that the flow of negative and positive charges will cause an overall switch in the magnetic poles of the field.

brilliants [131]3 years ago
5 0

Answer:

Explanation:

When the electric current flows through a conductor a magnetic field is produced near the conductor.

When the direction of current is reversed the direction of magnetic field is also reversed.

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zloy xaker [14]

The answer is money. Hope this helps.

6 0
3 years ago
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A 650 kg steel beam is being pulled up by a crane with a force of 7020 N. What is the upwards acceleration of the beam?
zimovet [89]

Answer: 1 m/s^2

Explanation:

n= w+ma

n= Mg+Ma

7020 = (650)(9.8)+650a

7020 = 6370+ 650a

650=650a

A= 1 m/s^2

8 0
3 years ago
An electric generator converts kinetic energy into which kind of energy?
dem82 [27]

Answer:

Electrical Energy

Explanation:

An electric generator is a device that changes kinetic energy to electrical energy through electromagnetic induction. Electromagnetic induction is the process of generating electric current with a magnetic field. ... Because the coil is rotating in a magnetic field, electric current is generated in the wire.

8 0
3 years ago
 An ultrasound pulse used in medical imaging has a frequency of 5 MHz and a pulse width of 0.5 us. Ap- proximately how many osci
podryga [215]

At the frequency of 5 MHz, the period of the oscillations is 1/5meg. That's a period of 1/5 microsecond.

There are 5 full cycles in one full microsecond, and there are 2.5 full cycles in a 0.5 us pulse.

You'll have to decide for yourself how damped a pulse of 2.5 cycles is, because the parameters of the definition are corrupted in the question.

4 0
2 years ago
3) All numbers that are divisible by both 3 and 5 are also divisible by 10. Which of the following numbers can be used to show t
zlopas [31]

Answer:

answer E

Explanation:

cuz its 45 is divisible by 3 and 5 but not 10

8 0
2 years ago
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