3 years ago

Which statement about the physical properties of matter is true? (15)

1 answer:

7 0

Answer:

Psisical properties used to be considered the properties that can be modified by phisical means. New theories state that chemical properties of matter are interrelated to the phisical ones

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What does the measurement unit N stand for?

bonufazy [111]

Explanation:

The newton (symbol: N) is the International System of Units (SI) derived unit of force.

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2 years ago

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The rate at which speed changes is called

sergiy2304 [10]

Answer:

meters per second

Explanation:

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Forces of 2 newtons and 3 newtons are acting on an object as shown in the drawing below. Calculate the resultant force in newton

Kipish [7]

Answer:

Hey mate

Your answer will be 5 N Upwards. 

I will explain this to you.

In the attachment we can see that there are two forces acting on the object from the same side. And we know that when force acts from the same direction. Then the total force

=> sum of all the forces in that particular direction.

I hope you got it :)

TheSarcasmic

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2 years ago

At the bottom of a frictionless ramp, a 2kg mass reaches a speed of 9 m/s, how high is the top of the ramp? *

noname [10]

V=√(2gs)
9=√(2×9.8×s)
s=4.1m

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2 years ago

Water raises a boat once every 3.0 seconds. What is the frequency (f) of the waves passing the boat?

Goshia [24]

Answer:

I think its A

Explanation:

if its every 3 seconds wouldnt it be 3.0 Hz

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3 years ago