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nevsk [136]
3 years ago
5

If you have 3 equal plates hanging 2 spaces from the center of a balance, at what distance would you need to place 2 equal plate

s? *
a. 1 space
b. 2 spaces
c. 3 spaces
d. 4 spaces
Physics
1 answer:
Reptile [31]3 years ago
3 0
You answere would be C. 3 spaces
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Hi sorry

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2 years ago
2. A book with a mass of 2 Kg is resting on a shelf 1.5 m off the floor. How much gravitational
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Answer:

Book of mass 2 kg is lifted from floor to the table. The height between floor and the table is 1.5 m. Calculate the work done by gravitational force.

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3 years ago
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From a height of 40.0 m, a 1.00 kg bird dives (from rest) into a small fish tank containing 50.5 kg of water. Part A What is the
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Answer:

0.00185 °C

Explanation:

From the question,

The potential energy of the bird = heat gained by the water in the fish tank.

mgh = cm'(Δt)................... Equation 1

Where m = mass of the bird, g = acceleration due to gravity, h = height, c = specific heat capacity of water, m' = mass of water, Δt = rise in temperature of water.

make Δt the subject of the equation

Δt = mgh/cm'............... Equation 2

Given: m = 1 kg, h = 40 m, m' = 50.5 kg

constant: g = 9.8 m/s², c = 4200 J/kg.K

Substitute into equation 2

Δt = 1(40)(9.8)/(50.5×4200)

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Δt = 0.00185 °C

4 0
3 years ago
How does a sound wave transfer energy to your ears?
inessss [21]

Answer:

I think it's C!

Explanation:

Sound waves travel at 343 m/s through the air and faster through liquids and solids. The waves transfer energy from the source of the sound, e.g. a drum, to its surroundings. Your ear detects sound waves when vibrating air particles cause your eardrum to vibrate. The bigger the vibrations the louder the sound.

Hope this helps!

4 0
3 years ago
Convert 700kg into grams<br>​
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Answer:

700,000g

Explanation:

1kg = 1000 Grams (or any kg x 1000)

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2 years ago
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