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pentagon [3]
3 years ago
12

How are the elements in the same row similar

Physics
1 answer:
Serga [27]3 years ago
5 0

Answer:

All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor. Arranged this way, groups of elements in the same column have similar chemical and physical properties, reflecting the periodic law.

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An Indy 500 race car's velocity increases from 4.0 m/s to +36
Soloha48 [4]

Answer:

The average acceleration is 8\ m/s^2

Explanation:

<u>Uniform Acceleration </u>

When an object varies its velocity at the same rate, the acceleration is constant.

The relation between the initial and final speeds is:

v_f=v_o+a.t

Where:

vf  = Final speed

vo = Initial speed

a   = Constant acceleration

t   = Elapsed time

The acceleration can be calculated by solving for a:

\displaystyle a=\frac{v_f-v_o}{t}

The Indy 500 race car increases its speed from vo=4 m/s to vf=36 m/s in t=4 s. Thus, the average acceleration is:

\displaystyle a=\frac{36-4}{4}=8\ m/s^2

The average acceleration is 8\ m/s^2

3 0
3 years ago
An object 4 cm high is placed 20 cm in front of a convex lens of focal length 12 cm. What is the position and height of the imag
aleksandrvk [35]
It would be 12cm

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6 0
3 years ago
4.) mi/hr/s and m/s/s are units for
egoroff_w [7]

Answer:

Acceleration

Explanation:

Acceleration has units of length per time squared.

6 0
3 years ago
What are the possible units for half life?
lilavasa [31]

Answer:

Half-life units in 'years' & 'seconds' are the most widely used, but actually, whatever you wish ... sec, min, hrs, days, yrs. The application and one's preference could dictate more appropriate units.

Explanation:

6 0
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A basketball momentarily changes shape as it bounces off the floor. This is due to the balanced forces acting on the ball. True
nasty-shy [4]
It would be false to state that a <span>basketball momentarily changes shape as it bounces off the floor. This is due to the balanced forces acting on the ball. The correct option among the two options that are given in the question is the second option. I hope the answer comes to your help.</span>
3 0
3 years ago
Read 2 more answers
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