Why is it important to get enough sleep each night?

1 answer:

8 0

IT is important to get enough sleep every night so that your body can recharge, sort memories, heal and allow you to do the simple life tasks like staying awake and walking!

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A straight wire that is 0.60 m long is carrying a current of 2.0 A. It is placed in a uniform magnetic field of strength 0.30 T.

Degger [83]

Answer:

The angle the wire make with respect to the magnetic field is 30°

Explanation:

It is given that,

Length of straight wire, L = 0.6 m

Current carrying by the wire, I = 2 A

Magnetic field, B = 0.3 T

Force experienced by the wire, F = 0.18 N

Let θ be the angle the wire make with respect to the magnetic field. Magnetic force is given by :

$F=ILB\ sin\theta$

$\theta=sin^{-1}(\dfrac{F}{ILB})$

$\theta=sin^{-1}(\dfrac{0.18\ N}{2\ A\times 0.6\times 0.3\ T})$

$\theta=30^{\circ}$

So, the angle the wire make with respect to the magnetic field is 30°. Hence, this is the required solution.

5 0

3 years ago

Explain why electric discharge through a gas take place at low pressure

Nimfa-mama [501]

answer:

electric discharge takes place at low pressure because a small electric field is required.

explanation:

it was found that cathode when an electric field was applied perpendicular to the length of the discharge tube the cathode rays were found to be moving in a direction opposite of electric field
credits: online

6 0

3 years ago

If a car has a centripetal acceleration of 7m/s2 over a radius of 7m. How fast is it going

dangina [55]

Answer:

7 m/s (agrees with answer a in your list)

Explanation:

Recall that the centripetal acceleration is defined by the square of the tangential velocity divided by the radius of the rotational motion:

$a_c=\frac{v_t^2}{R}$