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1 year ago

Between coconut and husk which one will have the highest density?

Physics

1 answer:

katrin2010 [14]1 year ago

6 0

Answer:

I think the answer is coconut

Explanation:

please make my answer as brainelist

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Sara and Greg built an electromagnet in science class. They wrapped 50 turns of copper wire around an iron nail and hooked the e

Iteru [2.4K]

Answer:Wrap more turns of wire around the nail.

Explanation:The power of an electromagnet is directly proportional to the amount of electricity passing through that electromagnet.

Now,if they increase the number of rounds of the copper coil,the electricity conducting surface amount will also increase.

And that's why the electricity passing through that electromagnet will increase along with the electromagnetic power of that electromagnet.

• Increasing the battery voltage :

If they increase the battery voltage,the electricity which is passing through that electromagnet will also increase in amount .

And as discussed previously,the increasing amount of electricity will also increase the electromagnetic abilities of the electromagnet.

4 0

3 years ago

Read 2 more answers

Friction is generated when?

valkas [14]

Things are rubbed against each other

8 0

3 years ago

according to Newton's 1st law, in what direction Will an object continue to move if no other outside force acts upon it

asambeis [7]

Answer: <em>An object at rest remains at rest, or if in motion, remains in motion at a constant velocity unless acted on by a net external force.</em>

Explanation: meaning, an object will continue in its same direction until stopped or acted upon by another force.

8 0

4 years ago

If the intensity level of one trombone is 70 dB, calculate a reasonable estimate for the intensity level of 76 trombones all pla

kogti [31]

Answer:

β₂ = 88.8 dβ

Explanation:

The intensity of the sound is

β = 10 log (I / I₀)

The sensitivity threshold (I₀) for humans is 1 10⁻¹² W / m²

I = I₀ $10^{\beta /10}$

I = 10⁻¹² 10^{70/10}

I = 1 10⁻⁵ W / m²

The total intensity for the 76 trombones is

I_total = n I

I_total = 76 1 10⁻⁵

I_total = 76 10⁻⁵ W / m²

Let's find the sound level

β₂ = 10 log (76 10⁻⁵ / 10⁻¹²)

β₂ = 88.8 dβ

8 0

3 years ago

He angular position of a swinging door is described by θ = 5.00 + 10.0 t + 2.00 t2 [rad]. (a) determine the angular position, an

Inessa05 [86]

(a) The angular position of the door is described by
$\theta(t)=5+10t+2t^2 [rad]$

The angular velocity is given by the derivative of the angular position:
$\omega(t)=10+4t [rad/s]$

While the angular acceleration is given by the derivative of the angular velocity:
$\alpha(t)=4 [rad/s^2]$

We want to find the values of these quantities at time t=3.00 s, so we must substitute t=3.00 s into the expressions for $\theta, \omega, \alpha$ :
$\theta(3.00 s)=5+(10)(3.00 s)+2(3.00s)^2 = 53 rad$
$\omega(3.00 s)=10+4(3.00s)=22 rad/s$
$\alpha(3.00s)=4 rad/s^2$

(b) The door starts from rest, so its initial angular velocity is $\omega_i=0 rad/s$ , and it reaches a final angular velocity of $\omega_f=0.750 rad/s$ with an angular acceleration of $\alpha=0.560 rad/s^2$ . We can find the angular distance covered by the door by using the following relationship:
$2 \alpha \theta = \omega_f^2 - \omega_i^2$
from which we find
$\theta= \frac{\omega_f^2}{2 \alpha}= \frac{(0.750 rad/s)^2}{2 \cdot 0.560 rad/s^2} =0.502 rad$

6 0

3 years ago