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mojhsa [17]
3 years ago
7

Which statement provides a complete scientific discription of an object in motion?

Physics
2 answers:
Alekssandra [29.7K]3 years ago
7 0

Question: which statement provides a complete scientific discription of an object in motion?

Answer: the marble moved 30 cm north in 6 seconds.

Explanation: motion is a change in position of an object over time an object's motion cannot change unless it is acted upon by a force

question answered by

(jacemorris04)

Nady [450]3 years ago
5 0

Hi there!

Question - Which statement provides a complete scientific discription of an object in motion?

Answer - The marble moved 30cm. north in 6 seconds.

Why - A scientific description of a object in motion is basically a description describing the exact direction the object is going like west, east, north, and south.

And I had this exact same quiz.

Hope This Helps :)

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2 years ago
So far, you’ve been working with an "ideal" pulley system. How do you think real pulley systems are different, and how would tha
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Answer:

In an ideal pulley system is assumed as a perfect system, and the efficiency of the pulley system is taken as 100% such that there are no losses of the energy input to the system through the system's component

However, in a real pulley system, there are several means through which energy is lost from the system through friction, which is converted into heat, sound, as well as other forms of energy

Given that the mechanical advantage = Force output/(Force input), and that the input force is known, the energy loss comes from the output force which is then reduced, and therefore, the Actual Mechanical Advantage (AMA) is less than the Ideal Mechanical Advantage of an "ideal" pulley system

The relationship between the actual and ideal mechanical advantage is given by the efficiency of the pulley system as follows;

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8 0
3 years ago
What mass of water will fill a tank that is 100.0 cm long, 50.0 cm wide, and 30.0 cm high? Express the answer in grams.
Bond [772]
calculate\ mass\ from\ formula\ for\ density:\\\\
density=volume*mass\\
mass=\frac{density}{volume}\\\\
volume=width*length*height\\
volume=100*50*30=150000cm^3=0,15m^3\\\\
density\ of\ water=\ 999.9720 \frac{kg}{m^3} \\\\mass=0,15*999.9720=149,9958kg=149995,8grams\\\\ Answer\ is\ :\\water\ which\ weight\ is\ equal\ to\ 149995,8grams.

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3 years ago
if you have to apply 40 n of force on a crowbar to lift a 400 n rock what is the actual machanical andvatage of the crow bar
Eduardwww [97]
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Hope this helps!
7 0
3 years ago
Give a strong idea to protect , purify and the beautify of the Dal lake​
Sholpan [36]

Answer:

Water in dal lake is test for any heavy metals and pollutant, sewage and drainage system are also monitored for the same.

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