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Ganezh [65]
2 years ago
15

Two balls, ball A and ball B, are dropped from the same height onto the same surface. If ball A rebounds to a higher height than

ball B then:(3) A. ball A is more elastic than ball B. B. ball B is more elastic than ball A. C. not enough information is given to determine which ball is more elastic.
Physics
1 answer:
mamaluj [8]2 years ago
3 0

Answer:

its b

Explanation:

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It takes 399 newtons to move a 7.2 kg object. What is the acceleration of the object?
Nookie1986 [14]

Answer:

a = 55.42m/s²

Explanation:

F = m*a

F = force(Newtons)

m = mass

a = acceleration

a = F/m

a = 399N/7.2kg

a = 55.42m/s²

8 0
2 years ago
I’m still lost on this please help me on this I know it’s not D I got it wrong
RSB [31]

Before you even look at the questions, look over the graph, so you know what kind of information is there.

The x-axis is "time".  OK.  You know that as the graph moves from left to right, it shows what's happening as time goes on.

The y-axis is "speed" of something.  OK.  When the graph is high, the thing is moving fast.  When the graph is low, the thing is moving slow.  When the graph slopes up, the thing is gaining speed.  When the graph slopes down, the thing is slowing down.  When the graph is flat, the speed isn't changing, so the thing is moving at a constant speed.

NOW you can look at the questions.

OMG !  It's only ONE question:  What's happening from 'c' to 'd' ?  Well I don't know.  Perhaps we can figure it out if we LOOK AT THE GRAPH !

-- Between c and d, the graph is flat.  The speed is not changing.  It's the same speed at d as it was back at c .

What speed is it ?

-- Look back at the y-axis.  The speed at the height of c and d is 'zero' .

-- The 2nd and 4th choices are both correct.  From c to d, <em>the speed is constant</em>.  The constant speed is zero.  <em>The car is not moving</em>.

5 0
3 years ago
Being underinsured is one of the main reasons that some people are unable to get quality health care. Please select the best ans
liberstina [14]

The answer to this question is True.

7 0
3 years ago
Read 2 more answers
Got it
Nimfa-mama [501]
Force=mass•acceleration
F=ma
15 N= 5kg•a
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3= acceleration?
7 0
2 years ago
which equations represent the relationship between wavelength and frequency for a sound wave? check all that apply
cluponka [151]
Frequency = speed of light/wavelength
6 0
3 years ago
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