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Rufina [12.5K]
2 years ago
13

You need a 450 micrograms sample of gold,but you only have a mass balance that measures in decigrams. Convert the amount of gold

you need to decigrams by comparing the exponents. Provide
Physics
1 answer:
stealth61 [152]2 years ago
7 0
It is the 459 of it comparing
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What is the specific heat of water? A. 1.00 J/gºC
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Answer:

B 4.18J\g degree C is the specific heat of water

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If the weight of a submerged object is equal to the buoyant force, what net force acts upon the object?
Y_Kistochka [10]

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A

Explanation:

The weight is acting downwards where as the buoyant force acting upwards (opposite) direction with equal amount of force. so the opposite forces cancel out each other (because of the force amount being equal) and no net force is acting on the object.

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30
pickupchik [31]

Answer:

22m/s

Explanation:

lowest part on the graph (closest to x-axis)

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2 years ago
Writing a 4 to 5 sentence paragraph, identify YOUR stance on whether more Nuclear Reactors should be built here in Michigan. (1s
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2 years ago
A cart of mass m = 0.12 kg moves with a speed v = 0.45 m/s on a frictionless air track and collides with an identical cart that
lina2011 [118]

Answer:

0.006075Joules

Explanation:

The final kinetic energy of the system is expressed as;

KE = 1/2(m1+m2)v²

m1 and m2 are the masses of the two bodies

v is the final velocity of the bodies after collision

get the final velocity using the law of conservation of momentum

m1u1 + m2u2 = (m1+m2)v

0.12(0.45) + 0/12(0) = (0.12+0.12)v

0.054 = 0.24v

v = 0.054/0.24

v = 0.225m/s

Get the final kinetic energy;

KE = 1/2(m1+m2)v

KE = 1/2(0.12+0.12)(0.225)²

KE = 1/2(0.24)(0.050625)

KE = 0.12*0.050625

KE = 0.006075Joules

Hence the final kinetic energy of the system is 0.006075Joules

5 0
2 years ago
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