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the element sodium has an atomic number of 11 and a mass number of 23.how many protons,neutrons ,and electrons does one atom contian

Peter Mortensen asked Jul 8, 2023

by Peter Mortensen

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1 answer

24 votes

212k views

I need to know how to figure out the final and initial velocity to calculate the change in velocity by subtracting final velocity by the initial velocity. I’m not quite sure what my final and initial velocity

Dug asked Jul 8, 2023

by Dug

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1 answer

2 votes

194k views

Please help me understand this

Weskpga asked Jul 8, 2023

by Weskpga

6.0k points

1 answer

6 votes

72.0k views

When a car of mass 1167 kg accelerates from 10.0 m/s to some final speed, 4.00  10 5J of work are done. Find this final speed.

Eriaac asked Jul 8, 2023

by Eriaac

5.8k points

1 answer

1 vote

175k views

A well-designed experiment A) has only one variable that is being tested at a time. B)has several variables that are being tested at one time. C)has no variables that are being tested. D)has to have more

Dcraggs asked Jul 8, 2023

by Dcraggs

6.2k points

1 answer

2 votes

76.9k views

A principal theory in social psychology is social exchange theory. According to this theory, we will be most likely to help othersA. who have already helped us.B. who are closely related to us.C. when

Derek E asked Jul 8, 2023

by Derek E

5.9k points

1 answer

0 votes

127k views

Given u = <3, -4>, we can find a unit vector in the direction of u by:

Analyticalpicasso asked Jul 8, 2023

by Analyticalpicasso

6.1k points

1 answer

5 votes

182k views

if a child on a skateboard has a total momentum of 86.94kgm/s and a speed of 2.3m/s, calculate the total mass of the child and skateboard

Rodent asked Jul 8, 2023

by Rodent

6.5k points

1 answer

4 votes

63.2k views

Mazie stands on her kitchen floor. The coefficient of kinetic friction between her socks and the floor is .62, and the coefficient of static friction is .75. She has a mass of 42 kg. A. Mazie slides across

Yanira asked Jul 8, 2023

by Yanira

7.1k points

1 answer

2 votes

109k views

A sample of metal is measured to have a volume of 0.0008 m3 and a weight of 48 N. What is the density of the metal?

Anurag Choudhary asked Jul 8, 2023

by Anurag Choudhary

5.8k points

1 answer

3 votes

147k views

A box is pushed 52 m by a mover. The amount of work done was 2,160 J. How much force was exerted on the box

Vadim Eksler asked Jul 8, 2023

by Vadim Eksler

5.8k points

1 answer

5 votes

73.0k views

If magnesium has 13 neutrons, what is its mass for the isotope

Swathy Valluri asked Jul 8, 2023

by Swathy Valluri

6.6k points

1 answer

10 votes

190k views

Why is acceleration a vector quantity?

Paranaaan asked Jul 8, 2023

by Paranaaan

5.6k points

1 answer

5 votes

73.7k views

How does the gravitational field strength at the surface of a planetcompare to the gravitational field strength 1000 m away from thesurface?

Gbvb asked Jul 8, 2023

by Gbvb

6.2k points

1 answer

4 votes

145k views

What is the electric field between the plates of a capacitor that has a charge of 14.85 microC and voltage difference between the plates of 59.98 Volts if the plates are separated by 2.17 mm?

Sgauri asked Jul 8, 2023

by Sgauri

5.8k points

1 answer

3 votes

127k views

What is the velocities of car b after the collision

Hasan Wajahat asked Jul 8, 2023

by Hasan Wajahat

5.4k points

1 answer

0 votes

143k views

If a spring is stretched 4m from its starting length when 20n of force is applied, then how much work (in joules) is done by the spring when it is stretched 10 m?

Masoud Rahimi asked Jul 8, 2023

by Masoud Rahimi

6.1k points

1 answer

0 votes

224k views

What is the initial velocity of the object represented by the graph? m/s Velocity vs Time 1 2. 3 4 ch 5 Time (s)

Sheepwalker asked Jul 8, 2023

by Sheepwalker

7.0k points

2 answers

25 votes

182k views

What is displacement vs speed

NilMoBile asked Jul 8, 2023

by NilMoBile

5.8k points

1 answer

5 votes

180k views

Physics Help anyone?

Jafar Sadiq SH asked Jul 8, 2023

by Jafar Sadiq SH

6.0k points

1 answer

1 vote

154k views

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