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A ball with a mass of # 5 kg# is rolling at #18 m/s# and elastically collides with a resting ball with a mass of #2 kg#. What are the postcollision velocities of the balls?

Question #1e9b2

Question #9e16b

An object, previously at rest, slides #3 m# down a ramp, with an incline of #pi/6 #, and then slides horizontally on the floor for another #8 m#. If the ramp and floor are made of the same material, what is the material's kinetic friction coefficient?

How does electrolysis chemistry work?

How do you simplify #(2 2/9)/ (3 1/3)#?

Janice is going on vacation and needs to leave her dog at a kennel. Nguyen'ts Kennel charges $15/day plus $20 processing fee. The Pup Palace charges $12/day and a $35 processing fee. After how many days is the Pup Palace Kennel cheaper than Nguyen's?

Would a reaction occur if a piece of #Sn# metal were placed in a #ZnSO_4# solution?

How does lightning work?

A charge of #2 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #25 J# to #18 J#, what is the voltage between points A and B?

Question #d96db

What net lonic equation can be derived from this complete ionic equation? #2Fe^(3+)(aq) + 6Cl^(aq) + 6Na^+(aq) + 3CO_3^(2)(aq) > Fe_2(CO_3)_3(s) + 6Cl^(aq) + 6Na^+(aq)#?

If #sin theta = 21/29#, what is #cos theta# and #tan theta#?

Question #0bb5c

Question #9b844

Given Vector A: 25.2cm at 81.6 degrees and Vector B: 32.1 cm at 142.7 degrees. How do you add and subtract these two vectors?

A cylinder has inner and outer radii of #8 cm# and #16 cm#, respectively, and a mass of #6 kg#. If the cylinder's frequency of counterclockwise rotation about its center changes from #2 Hz# to #7 Hz#, by how much does its angular momentum change?

Question #dc16a

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Question #11a9a

What are chemical process in which larger compounds are broken down into their monomers using water to break the bonds?

A gas expands from 35 ml to 70ml. if the temperature was at 22 Celsius, what will the final temperature be?

Question #69805

Question #b7858

How do you evaluate 20P2?

Question #e1a36

Question #a4f57

Co60 is a beta emitter with a halflife of 5.3 years. Approximately what fraction of Co–60 atoms will remain in a particular sample after 26.5 years?

Atoms of which element have the greatest tendency to gain electrons?

What type of reaction feels cold to the touch?

Question #75d2f

Magnesium reacts with titanium(4) chloride to produce magnesium chloride and titanium metal. How do you write a balanced equation for this reaction?

Question #5d51d

How is the universe expanding faster than the speed of light?

How to determine functional group?

How do you solve #(x2)/3+1/6=5/6#?

Question #25ba6

Question #b278f

A red blood cell is placed in a concentrated sugar solution. What happens and why?

Question #57781

Why is HCI(g) capable of being dissolved in water?

Most of the mass of the atom is provided by what?

Question #2cc01

A model train, with a mass of #8 kg#, is moving on a circular track with a radius of #2 m#. If the train's kinetic energy changes from #8 j# to #36 j#, by how much will the centripetal force applied by the tracks change by?

If a #3kg# object moving at #15m/s# slows down to a halt after moving 25 m, what is the friction coefficient of the surface that the object was moving over?

If #f(x)=abs(x^23)#, how do you find f(2)?

Question #b237f

Question #74703

Question #2b052

What would happen if a positively charged sodium ion and a negative chlorine ion came into contact?

Question #7f1e2

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Question #c36ae

Glucose is used as an energy source by the human body. The overall reaction in the body is described by the equation C6H12O6(aq) + 6O2(g) = 6CO2(g) + 6H2O(l). How many grams of oxygen are required to convert 28.0 g of glucose to CO2 and H2O?

Driving 1000 miles a month is not unusual for a shortdistance commuter. If your vehicle gets 19.70 mpg, you would use approximately 50.76 gallons of gasoline every month. If gasoline is approximated as C8H18 (density = 0.703 g/mL)...?

Two of the energy levels can hold eight electrons each. Which energy levels are these?

How would atmospheric circulation be affected if earth's speed of rotation were doubled?

How do you solve #4r^2+1=325#?

What is the angular momentum of a rod with a mass of # 8 kg# and length of #4 m# that is spinning around its center at #12 Hz#?

Question #87f7d

Question #f26ba

How can displacement be used to find the density of an object water?

Can anyone explain this problem with an aid of a diagram?

What is the difference between an oxyacid and an organic acid? What are examples of each?

When does the shape of a molecule affect its polarity?

Question #5c5a5

Question #305e7

Uncontrolled shivering, slow slurred speech, memory loss, irrational behavior, lack of movement, and sleepiness are symptoms of what dangerous condition?

Question #7c8db

What is a quantum number?

Is Earth itself an open or closed system?

The product of two numbers is 144, and the sum of the two values is 7. What is the value of the smaller of the two numbers?
A) 1 B) 5 C) 9 D) 14

Question #f5709

What happens to the reactivity of nonmetals within a group from the top of the group to the bottom?

Calculate the heat required to raise the temperature of 0.75 kg of water from 5˚C to 90.˚C?

How you would separate the components of a mixture of sugar and sand. Would your methods result in physical or chemical changes?

Question #2f265

Why gravity is still regarded as one of the fundamental forces?

What are single and double covalent bonds?

A 29.80 g sample of liquid cadmium at 377.00°C is poured into a mold and allowed to cool to 24.00°C. How many kJ of energy are released in this process?

A charge of #5 C# is at the origin. How much energy would be applied to or released from a # 2 C# charge if it is moved from # ( 3 , 6 ) # to #( 3 , 5) #?

Question #357c1

Question #af8bf

Question #3f70e

A projectile is shot at an angle of #pi/3 # and a velocity of # 11 m/s#. How far away will the projectile land?

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