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Elena L [17]
2 years ago
14

Help pls ... will give brainlist

Physics
1 answer:
Ghella [55]2 years ago
6 0
I, i’m pretty sure sorry if it’s wrong
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A coil of 150 turns of wire is in the form of a circle of radius 7.5 cm, and sits in the center of a dipole magnet that produces
irga5000 [103]

Answer:

Current in the loop is 0.063 A        

Explanation:

Number of turns in the coil N = 150

Radius of the circular loop r = 7.5 cm = 0.075 m

So area A=\pi r^2=3.14\times 0.075^2=0.0176m^2

Magnetic field B = 1.5 T

Maximum torque is given \tau =0.25Nm

We have to find current in the coil

Torque on circular coil in magnetic field is equal to

\tau =BINA

0.25=1.5\times I\times 150\times 0.0176

I = 0.063 A

7 0
3 years ago
Interactive Solution 9.1 presents a model for solving this problem. The wheel of a car has a radius of 0.300 m. The engine of th
Murrr4er [49]

Answer:

740 N

Explanation:

We are given that

Radius,r=0.3 m

Torque,\tau=222 Nm

We have to find the magnitude of the static frictional force.

According to question

Torque by engine=Torque by static friction

222=f\times r

f=\frac{222}{r}

f=\frac{222}{0.3}

f=740 N

Hence, the magnitude of static frictional force=740 N

8 0
2 years ago
What are bones basically made of? (Choose the best answer?) *
dybincka [34]

Answer:

collagen and protein

Explanation:

Made mostly of collagen, bone is living, growing tissue collagen is a protein that provides a soft framework and calcium photosphate site is a material that adds strength to hardness the framework.

6 0
2 years ago
Read 2 more answers
A jet’s original velocity is 600 m/s. After 20 seconds accelerating at 8 m/s 2 , how
scoray [572]

Answer:

<h2>760 m/s</h2>

Explanation:

The jet's speed or final velocity can be found by using the formula

<h3>v = u + at</h3>

where

v is the final velocity

u is the initial velocity

t is the time taken

a is the acceleration

From the question we have

v = 600 + 20(8)

= 600 + 160

We have the final answer as

<h3>760 m/s</h3>

Hope this helps you

3 0
2 years ago
Which of the following explains why the Earth orbits the sun rather than the sun orbiting the Earth?
mihalych1998 [28]

Answer:

A

Explanation:

because like people and earth,the forces acting on earth by people is negligible .

5 0
3 years ago
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