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Bond [772]
2 years ago
9

Changing classes, you walk 20.0 m down a hall, turn left, and then walk 10.0 m down another hall. Define a coordinate system and

sketch the displacement vector. Also, sketch the displacement components, and then determine the vector's magnitude.
Physics
1 answer:
worty [1.4K]2 years ago
7 0

Explanation:

Calculate position vectors in a multidimensional displacement problem. Solve for the displacement in two or three dimensions. Calculate the velocity vector 

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fomenos

Answer:

The bulbs should be connected in parallel.

Explanation:

We want to find out a way to hook  up 2 light bulbs and a battery so that when one bulb burns out or is disconnected the other bulbs stays lit.

We must connect the two bulbs in parallel so that even when one bulb is burns out, it will have no effect on the other bulb and the 2nd bulb will keep on working. The current flowing in each bulb will depend upon the resistance of each bulb and the voltage will be same across each bulb.

On the other hand, if we use a series circuit then if one bulb burns out then the there is no flow of current in the circuit and therefore, the second bulb will not be operational.

The current flowing through each bulb is given by

I = V/R

The voltage across each bulb is given by

V = IReq

Where I is the current and Req is the equivalent resistance of the two bulbs connected in parallel and is given by

Req = (R₁*R₂)/(R₁+R₂)

The connection diagram is attached where two bulbs are connected in parallel and are power with a battery.

4 0
3 years ago
Explain how airplane wings and the wings of birds affect the air flowing over them to produce lift
d1i1m1o1n [39]
Because the air in their wings helps them fly
6 0
2 years ago
Kinetic energy is stored in a stretched rubber
IRISSAK [1]

Answer:

potential until released

4 0
3 years ago
Read 2 more answers
If a cliff jumper leaps off the edge of a 100m cliff, how long does she fall before hitting the water? (assume zero air resistan
andrew-mc [135]
<h2>Answer:</h2>

<em>Hello, </em>

<h3><u>QUESTION)</u></h3>

Assuming that the initial velocity of the jumper is zero, on Earth any freely falling object has an acceleration of 9.8 m/s².  

<em>✔ We have : a = v/Δt = ⇔ Δt = v/a </em>

  • Δt = (√2xgxh)/9,8
  • Δt = (14√10)/9,8
  • Δt ≈ 4,5 s

4 0
2 years ago
Which of the following are examples of energy being conserved? Choose all that apply A light bulb constantly changes electrical
Degger [83]
A plant collects sunlight to form glucose, and your friend proposes an idea for a fan. Conserved = saving
4 0
3 years ago
Read 2 more answers
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