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3 years ago

At what location in this diagram do the magnetic field lines show that the magnetic field is strongest ?

Physics

2 answers:

34kurt3 years ago

5 0

Answer: A or D I'd think D

Explanation: we're c is located the lines are all belong pulled towards the southern pole of the magnet while we're A is located it s between both poles.

RSB [31]3 years ago

3 0

Answer:

D is weakest

Explanation:

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Dimension of force of gravity is

statuscvo [17]

Answer:

$M^{-1}L^{3}T^{-2}$

Explanation:

Force has the unit N for Newton.

A Newton is $m*\frac{kg}{s^{2} }$ , mass*kilograms/seconds^2.

Dimensions in Physics include things such as Mass, Length, and Time.

kg is Mass

m is Length

s^2 is Time

So, since a Newton has all of these, it has T, L, and M. Force has dimensions $T^{-2}LM$

However, you must now consider gravitational force.

Law of Gravitation states:

$F=\frac{Gm_{1}m_{2}r }{r^{2} }$

Convert that into a fraction with dimensions:

$F=\frac{GM^{2} L}{L^{2} }$

Remember force is $T^{-2}LM$

Use the dimensions of force to find gravitational force, or G:

$F=\frac{GM^{2} L}{L^{2} }$

$T^{-2}LM=\frac{GM^{2} L}{L^{3} }$

$G=\frac{(T^{-2}LM)(L^{2}) }{M*M}$

$G=\frac{(T^{-2}L^{3} M) }{M^{2} }$

$G=M^{-1}L^{3}T^{-2}$

5 0

3 years ago

A modified Atwood machine is at rest. The hanging block has a mass of 3kg. The black on wheels has unknown mass M1. When release

fgiga [73]

Answer:

From the figure,

The free-body diagrams for and are shown in the figures below. The only forces on the blocks are the upward tension and the downward gravitational forces and . Applying Newton’s second law, we obtain:

which can be solved to yield

Substituting the result back, we have

(a) With and , the acceleration becomes

(b) Similarly, the tension in the cord is

7 0

3 years ago

This type of a boundry can be located at around 40 N latitude and 0 long titude

blondinia [14]

Answer:

if there are no options then i would say the Atlantic oceans

if there are options let me know

8 0