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Anton [14]
2 years ago
9

What is the best unit to use when measuring the mass of a mineral sample?

Physics
1 answer:
Ksivusya [100]2 years ago
8 0
Measuring density: Measure the mass (in grams) of each mineral sample available to you. The mass of each sample is measured using a balance or electronic scale. Record mass on a chart.
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horsena [70]

Answer: The correct answer is B

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3 years ago
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A boxer punches a sheet of paper in mid air, and brings it from rest up to a speed of 25 m/s in 0.05 s. if the mass of the paper
zepelin [54]
Ok, so you've got to figure out a force F and you have the speed in which the boxer punches on determinate time and the mass of the sheet of paper.

So based on the formula that says that the Force is equal to the mass multiplied by the acceleration => F=ma.
You look at it and see that you only have mass which is measured on KG so there is no problem.
then you have the acceleration which is measured on meters and is defined by: a = Δv/Δt 
So now you can replace the velocity and the time you have there
⇒ a 25m/s / 0.05s 
you have computing that ⇒ 50m because the seconds were cancelled out.
and then you plug the meters into the force equation.
F=(0.005kg)(50)
F=0.25N
so the boxer will have a force of 0.25 Newton's.

6 0
3 years ago
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Really need help! ;(<br> Could you please explain it? :) <br> GIVING 10 POINTS
ale4655 [162]

Answer:b

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Do turtles actually swim or are they ust going with the current?
jonny [76]

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Going with the current. You every watch Finding Nemo and the turtle guy says " Going with the waves bro"

Explanation:

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Describe what happens to the particles of a liquid, in terms of movement and kinetic energy, as it is cooled to its freezing poi
nataly862011 [7]
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