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Ludmilka [50]
3 years ago
11

What is the total displacement of a bee that flies 2 meters east, 5 meters north, and 3 meters east? explain how you did it

Physics
1 answer:
Elina [12.6K]3 years ago
7 0
It flies 2+3meters east and 5 meters north so it flies 5 east and 5 north. Then the way of it would be diagonal of 5x5 square it equals 5√2 which is 7.07.
 
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According to Newton's second law of motion, if we have a rigid, unchanging mass and we observe it accelerating, what must be hap
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The force is applied to the accelerating object that has a constant mass. Option A is correct.

<h3>What does Newton's second law of motion state?</h3>

The force applied to the object is the product of its mass and acceleration.

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Where,

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From the equation, the force and the acceleration are in a proportional relation. The mass is not changing as given in the question.

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In the following diagram, the voltage is 1.5 volts and the resistance is 0.35 ohms. Use Ohm's Law to determine the current in th
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3 0
2 years ago
In a butcher shop, a horizontal steel bar of mass 4.94 kg and length 1.46 m is supported by two vertical wires attached to its e
mojhsa [17]

Answer:

Tension in right wire = 25.9N

Explanation:

I have attached a free body diagram to depict this question.

From the diagram, i have labelled the tensions in the strings T1 and T2.

While i labelled the weight of the bar as Wb and weight of sausage as Ws.

Now, when solving a problem like this we want to first remember that the beam is static; meaning it is not moving. From simple physics, this means that the sum of the forces in the y direction equals zero (i.e. the total downward forces equal the total upward forces)

Thus, from the diagram, the upward forces are T1 and T2 while the downward forces are Ws and Wb.

Thus;

T1 + T2 = Wb + Ws

We know that mass of bar = 4.94kg. Thus, Weight of bar(Wb) = mg = 4.94 x 9.81 = 48.46N

Also, weight of sausage (Ws) = mg = 2.49 x 9.81 = 24.43N

Thus,

T1 + T2 = 48.46N + 24.43

T1 + T2 = 72.89N - - - - - (eq 1)

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The maximum weight of the bar will act at the centre, so distance from the Wb to left end = 1.46/2 = 0.73m

So, moments about left end;

T2 x 1.46 = (Wb x 0.73) + (Ws x 0.1)

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1.46T2 = 37.816

T2 = 37.816/1.46 = 25.9N

3 0
3 years ago
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