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3 years ago

how to draw a labelled diagram of earth's magnetic field ,show how the solar wind distorts the magnetic field

Physics

1 answer:

Ann [662]3 years ago

4 0

Answer:

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kejdjjdjdjksolalskdhbdhdh

Explanation:

ndndbcbnf

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Three beads are placed along a thin rod. The first bead, of mass m1 = 28 g, is placed a distance d1 = 1.5 cm from the left end o

Vladimir79 [104]

Answer:

Part a)

Center of mass with respect to the left end is given as

$r_{cm} = 5.63 cm$

Part b)

Center of mass with respect to middle bead is

$r_{cm} = \frac{m_1(-d_2) + m_2(0) + m_3(d_3)}{m_1 + m_2 + m_3}$

Part c)

Center of mass with respect to middle bead is

$r_{cm} = 1.63 cm$

Explanation:

Part a)

As we know that the center of mass of the system of mass is given by the formula

$r_{cm} = \frac{m_1r_1 + m_2r_2 + m_3r_3}{m_1 + m_2 + m_3}$

here we have

$m_1 = 28 g$

$m_2 = 11 g$

$m_3 = 45 g$

$r_1 = 1.5 cm$

$r_2 = 1.5 + 2.5 = 4 cm$

$r_3 = 1.5 + 2.5 + 4.6 = 8.6 cm$

Now we have

$r_{cm} = \frac{28(1.5) + 11(4) + 45(8.6)}{28 + 11 + 45}$

$r_{cm} = 5.63 cm$

Part b)

As we know that the center of mass of the system of mass is given by the formula

$r_{cm} = \frac{m_1r_1 + m_2r_2 + m_3r_3}{m_1 + m_2 + m_3}$

here we have

$m_1 = 28 g$

$m_2 = 11 g$

$m_3 = 45 g$

$r_1 = -d_2 = -2.5cm$

$r_2 = 0$

$r_3 = d_3 = 4.6 cm$

$r_{cm} = \frac{m_1(-d_2) + m_2(0) + m_3(d_3)}{m_1 + m_2 + m_3}$

Part c)

Now plug in the values in above formula

$r_{cm} = \frac{m_1(-d_2) + m_2(0) + m_3(d_3)}{m_1 + m_2 + m_3}$

$r_{cm} = \frac{28(-2.5) + m_2(0) + 45(4.6)}{28 + 11 + 45}$

$r_{cm} = 1.63 cm$

7 0

3 years ago

3. A student determined the Kf of t-butyl alcohol using tap water instead of distilled or deionized water. Describe the problems

eduard

Answer:

The Kf (Freezing Point Depression Constant) is been affect by freezing point among many other factor now using tap water for this experiment would mean that there would be salt present in the solution in that tap water is usually added fluoride which would react with the natural potassium present in the water to form a salt this salt would depress the freezing point of the water hence the value of Kf would be bigger that the actual value

Explanation:d

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3 years ago

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What happens to the kinetic energy of an object, if its velocity is doubled?

denis-greek [22]

As Kinetic Energy=half of Mass into Velocity square so as velocity is doubled the K.E of the object is doubled..

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With a bar magnet where are the lines of force closest together

attashe74 [19]

At the tip of either of the magnets poles

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What is the momentum of a 5 kg object that has a velocity of 1.2 m/s? 3.8 kg • m/s 4.2 kg • m/s 6.0 kg • m/s 6.2 kg • m/s

Gnesinka [82]

Answer:

Your answer will be 6.0kg•m/s

Explanation:

In the given question all the required details d given. Using these information's a person can easily find the momentum of the object. In the question it is already given that the mass of the object is 5 kg and the velocity at which it is traveling is 1.2 m/s.We know the equation of finding momentum asMomentum = mass * velocity = 5 * 1.2 = 6So the momentum of the object is 6 Newton.

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3 years ago

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how to draw a labelled diagram of earth's magnetic field ,show how the solar wind distorts the magnetic field ​

how to draw a labelled diagram of earth's magnetic field ,show how the solar wind distorts the magnetic field