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drek231 [11]
2 years ago
10

Which tools would sara us to find an irregularly shaped objects mass and volume A. a meter stick , a ruler , and water

Physics
1 answer:
tester [92]2 years ago
4 0
I think it's D. Usually, to find the volume of an irregularly shaped object, you put it in water with a labeled beaker to measure how much the water rises. The balance would be used to measure the mass in grams.
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what is the amplitude of the transverse wave modeled in the figure below if the height of a crest is 3 cm above is the resting p
slamgirl [31]

Answer:

A = 3cm or 0.03m

Explanation:

4 0
3 years ago
What is the frequency of an event?
konstantin123 [22]

"Frequency" just means "often-ness" ... how often something happens.
It's always expressed as

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4 0
3 years ago
Read 2 more answers
If an object is thrown upward with an initial velocity of 128 ​ft/second, then its height after t seconds is given by the follow
IrinaK [193]

Answer:

The maximum height attained by the object and the number of seconds are 128 ft and 4 sec.

Explanation:

Given that,

Initial velocity u= 128 ft/sec

Equation of height

h = 128t-32t^2....(I)

(a). We need to calculate the maximum height

Firstly we need to calculate the time

\dfrac{dh}{dt}=0

From equation (I)

\dfrac{dh}{dt}=128-64t

128-64t=0

t=\dfrac{128}{64}

t=2\ sec

Now, for maximum height

Put the value of t in equation (I)

h =128\times2-32\times4

h=128\ ft

(b). The number of seconds it takes the object to hit the ground.

We know that, when the object reaches ground the height becomes zero

128t-32t^2=0

t(128-32t)=0

128=32t

t=4\ sec

Hence, The maximum height attained by the object and the number of seconds are 128 ft and 4 sec.

3 0
3 years ago
Help awnser need experts​
pishuonlain [190]

12. The answer would be C. 1.50 s. This is because if you divide 60 by 40, you will get 1.5.

13. For this one I'm not sure, but what I can tell you is that the heavier something is the faster it will sink, the lighter it is, it will float.

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3 years ago
Where is potential energy the greatest on a rollercoaster?
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On a roller coaster, the greatest potential energy is at the highest point of the roller coaster
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3 years ago
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