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artcher [175]
3 years ago
7

Can you guys finish the quote?

Physics
1 answer:
shusha [124]3 years ago
7 0

Answer:

By using moving shaft and coiled wire together, electric generators create electricity. Electric generators essentially convert kinetic energy (the energy of motion) into electric energy.

Explanation:

hope this helped

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A 9.4 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks
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Answer:

28.2 kg

Explanation:

Data provided in the question:

Mass of dog, m = 9.4 kg

Velocity of the dog with respect to water, v = 0.48 m/s

Velocity of the canoe, V = - 0.16 m/s          [ - sign means velocity in opposite direction]

Now,

Let the mass of canoe be 'M'

Therefore,

From the conservation of momentum, we have

⇒ mv + MV = 0

or

⇒ 9.4 × 0.48 + M(- 0.16) = 0

or

⇒ 4.512 - 0.16M = 0

or

⇒ 0.16M = 4.512

or

⇒ M = 28.2 kg

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3 years ago
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lubasha [3.4K]

Answer:

The answer is

A.Speed

and

D. Acceleration

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4. An object moves in a circular path at a constant speed. Compare the direction of the object’s velocity and acceleration vecto
Vikentia [17]

Answer:

Option C

The vectors are perpendicular

Explanation:

Acceleration will be directed towards the center for uniform circular motion. Consequently, velocity of the object increases hence acceleration. The direction of velocity is tangent to its circular motion, therefore, tangential velocity vector is perpendicular to centripetal acceleration vector. Therefore, comparing the direction of the object, the vectors are perpendicular to each other.

4 0
3 years ago
You arrive in my class 45 seconds after leaving math which is 85 meters away. How fast did you travel?
levacccp [35]
Speed = 85/45
units m/s
7 0
3 years ago
Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 45.0 mL. The first bulb has a volu
kipiarov [429]

Answer:

The final pressure of the whole system is 34.80 atm.

Explanation:

Given that,

Volume = 45.0 ml

Volume of first bulb = 77.0 mL

Pressure  = 8.89 atm

Volume of second  bulb = 250 mL

Pressure = 2.82 atm

Volume of third  bulb = 21.0 mL

Pressure = 8.42 atm

We need to calculate the final pressure of the whole system

Using formula of pressure

P_{1}V_{1}+P_{2}V_{2}+P_{3}V_{3}+P_{t}V_{t}=P_{f}V_{f}

Where, P_{1}= pressure of first bulb

P_{2}= pressure of second bulb

P_{3}= pressure of third bulb

P_{4}= initial pressure of tube

V_{1}= Volume of first bulb

V_{2}=Volume of second bulb

V_{3}= Volume of third bulb

V_{4}= Initial volume of tube

Put the value into the formula

8.89\times77.0+250\times2.82+21.0\times8.42+0=P_{f}\times45

P_{f}=\dfrac{1566.35}{45}

P_{f}=34.80\ atm

Hence, The final pressure of the whole system is 34.80 atm.

4 0
3 years ago
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