3 years ago

Define the strip attached to the magnet?

Physics

1 answer:

Aleonysh [2.5K]3 years ago

5 0

Answer:

A stripe of magnetic information that is affixed to the back of a plastic credit or debit card.

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How many electrons can exist on the following energy levels

alukav5142 [94]

2e level 1
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3 years ago

A 100 kg box sits on an incline held at rest by a very thin rope attached to another mass hanging as shown. The force of frictio

MAVERICK [17]

If friction is acting along the plane upwards

then in this case we will have

For equilibrium of 100 kg box on inclined plane we have

$mgsin\theta = F_f + T$

also for other side of hanging mass we have

$T = Mg = 50(9.8) = 490 N$

now we have

$100(9.8)sin\theta = 100 + 490$

$980sin\theta = 590$

$sin\theta = 0.602$

$\theta = 37 degree$

In other case we can assume that friction will act along the plane downwards

so now in that case we will have

$mgsin\theta + F_f = T$

also we have

$T = Mg = 50(9.8) N$

now we have

$100(9.8)sin\theta + 100 = 50(9.8)$

$980sin\theta + 100 = 490$

$980 sin\theta = 490 - 100$

$sin\theta = 0.397$

$\theta = 23.45 degree$

<em>So the range of angle will be 23.45 degree to 37 degree</em>

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3 years ago

3. Will the weight of a kg of iron in air and the weight of a kg of cotton in air

larisa [96]

Answer:

A kg of cotton is heavier.

Explanation:

Because in air, cotton gets upthrust that's why weighing machine gives less weight than its actually have.

for eg: If cotton has 800g weight, the machine shows a kg(1kg) when measure in air due to upthrust.

I hope this will be helpful for you.

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3 years ago

Read 2 more answers

In which situation is the object experiencing unbalanced forces

schepotkina [342]

Answer:

Explanation:

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2 years ago

In physics, when a baseball player catches a ball, which one of newtons laws is it an example of?

OLEGan [10]

Its C newtons 3rd law, because both the ball and the player are exerting a force. The ball is exerting a force on the player and the player is exerting a force to bring the ball to a rest or a state where it isn’t moving.

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2 years ago

Define the strip attached to the magnet?​

Define the strip attached to the magnet?