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koban [17]
3 years ago
6

Use your periodic table to answer the following question.

Physics
1 answer:
Pavel [41]3 years ago
6 0
Helium has only 2 electrons in it's valence shell

So, option D is your answer.

Hope this helps!
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Someone please help!!
mart [117]
The answer is a.
The graph's line is higher if velocity is higher, and lower if velocity is lower. This is because the y axis is velocity. Thus, the fastest (highest velocity) that the car went is when the line was highest, and that is when x is 1.
5 0
3 years ago
HELP I DONT HAVE THAT MUCH POINTS LEFT BUT 15 POINTSSS
Aliun [14]

Answer:

A

Explanation:

the answers are all not good, but I would say A is the best

4 0
3 years ago
Read 2 more answers
A horse pulls forward on a carriage with a given force. By Newton's Third Law, the carriage must be pulling on the horse backwar
olga2289 [7]
The cart's force is only in reaction to the horse's force so it does not define direction of movement.
6 0
3 years ago
What is the final velocity, in meters per second, of a freight train that accelerates at a rate of 0.085 m/s2 for 7.5 min, start
Llana [10]

Answer:

v_f=41.65\frac{m}{s}

Explanation:

The final velocity is given by the following kinematic equation:

v_f=v_0+at

Here, v_0 is the initial velocity, a is the body's acceleration and t is the motion time. We have to convert the time to seconds:

7.5min*\frac{60s}{1min}=450s

Now, we calculate the final velocity:

v_f=3.4\frac{m}{s}+(0.085\frac{m}{s^2}(450s))\\v_f=41.65\frac{m}{s}

4 0
3 years ago
Betty is sitting on of her surfboard out in the ocean. She is waiting for the perfect wave to come along so she can ride it in t
Ymorist [56]

Answer:

No they are not the same.

Explanation:

S=d/t Speed equals distance divided by time. Leah's wave took 10 seconds, and the distance was 6 meters.

6/10=.6

Betty's wave took 10 seconds, but the distance was 60 meters this time.

60/10=6

We know that 6 and .6 are not the same numbers, so we can see that the waves aren't the same.

I hope this helps!!

8 0
3 years ago
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