Answers edited by Dwight

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Can anyone explain this problem with an aid of a diagram?
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 #25ba6
How do you solve $4 r^{2} + 1 = 325$ $4r^2+1=325$ ?
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 projectile is shot at an angle of $\frac{π}{3}$ $pi/3$ and a velocity of $11 \frac{m}{s}$ $11 m/s$ . How far away will the projectile land?
Question #e1a36
Question #9e16b
What is the difference between an oxyacid and an organic acid? What are examples of each?
A model train, with a mass of $8 k g$ $8 kg$ , is moving on a circular track with a radius of $2 m$ $2 m$ . If the train's kinetic energy changes from $8 j$ $8 j$ to $36 j$ $36 j$ , by how much will the centripetal force applied by the tracks change by?
If a $3 k g$ $3kg$ object moving at $15 \frac{m}{s}$ $15m/s$ slows down to a halt after moving 25 m, what is the friction coefficient of the surface that the object was moving over?
Question #9c42e
What is a quantum number?
A gas expands from 35 ml to 70ml. if the temperature was at 22 Celsius, what will the final temperature be?
Driving 1000 miles a month is not unusual for a short-distance 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)...?
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Question #11a9a
What are single and double covalent bonds?
How would atmospheric circulation be affected if earth's speed of rotation were doubled?
When does the shape of a molecule affect its polarity?
Question #9b844
Question #57781
A charge of $5 C$ $5 C$ is at the origin. How much energy would be applied to or released from a $- 2 C$ $-2 C$ charge if it is moved from $(3, 6)$ $( 3 , 6 )$ to $(- 3, 5)$ $( -3 , 5)$ ?
What happens to the reactivity of nonmetals within a group from the top of the group to the bottom?
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Question #f5709
Uncontrolled shivering, slow slurred speech, memory loss, irrational behavior, lack of movement, and sleepiness are symptoms of what dangerous condition?
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Question #d96db
If $f (x) = ∣ ∣ x^{2} - 3 ∣ ∣$ $f(x)=abs(x^2-3)$ , how do you find f(2)?
What would happen if a positively charged sodium ion and a negative chlorine ion came into contact?
How do you simplify $\frac{2 \frac{2}{9}}{3 \frac{1}{3}}$ $(2 2/9)/ (3 1/3)$ ?
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Question #7f1e2
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?
Question #305e7
Question #5d51d
Atoms of which element have the greatest tendency to gain electrons?
If $sin θ = \frac{21}{29}$ $sin theta = 21/29$ , what is $cos θ$ $cos theta$ and $tan θ$ $tan theta$ ?
A charge of $2 C$ $2 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $25 J$ $25 J$ to $18 J$ $18 J$ , what is the voltage between points A and B?
Calculate the heat required to raise the temperature of 0.75 kg of water from 5˚C to 90.˚C?
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?
How do you solve $\frac{x - 2}{3} + \frac{1}{6} = \frac{5}{6}$ $(x-2)/3+1/6=5/6$ ?
Magnesium reacts with titanium(4) chloride to produce magnesium chloride and titanium metal. How do you write a balanced equation for this reaction?
A ball with a mass of $5 k g$ $5 kg$ is rolling at $18 \frac{m}{s}$ $18 m/s$ and elastically collides with a resting ball with a mass of $2 k g$ $2 kg$ . What are the post-collision velocities of the balls?
Question #0bb5c
Question #b278f
An object, previously at rest, slides $3 m$ $3 m$ down a ramp, with an incline of $\frac{π}{6}$ $pi/6$ , and then slides horizontally on the floor for another $8 m$ $8 m$ . If the ramp and floor are made of the same material, what is the material's kinetic friction coefficient?
Would a reaction occur if a piece of $S n$ $Sn$ metal were placed in a $Z n S O_{4}$ $ZnSO_4$ solution?
Question #b7858
How does lightning work?
How you would separate the components of a mixture of sugar and sand. Would your methods result in physical or chemical changes?
Question #5c5a5
How to determine functional group?
Question #357c1
Co-60 is a beta emitter with a half-life of 5.3 years. Approximately what fraction of Co–60 atoms will remain in a particular sample after 26.5 years?
A red blood cell is placed in a concentrated sugar solution. What happens and why?
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Question #87f7d
How is the universe expanding faster than the speed of light?
What is the angular momentum of a rod with a mass of $8 k g$ $8 kg$ and length of $4 m$ $4 m$ that is spinning around its center at $12 H z$ $12 Hz$ ?
Question #1e9b2
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?
Most of the mass of the atom is provided by what?
Is Earth itself an open or closed system?
What type of reaction feels cold to the touch?
Why is HCI(g) capable of being dissolved in water?
Question #2cc01
Question #69805
What are chemical process in which larger compounds are broken down into their monomers using water to break the bonds?
How do you evaluate 20P2?
How does electrolysis chemistry work?
Question #74703
Two of the energy levels can hold eight electrons each. Which energy levels are these?
What net lonic equation can be derived from this complete ionic equation? $2 F e^{3 +} (a q) + 6 C l^{- (a q)} + 6 N a^{+} (a q) + 3 C O_{3}^{2 -} (a q) \to F e_{2} {(C O_{3})}_{3} (s) + 6 C l^{- (a q)} + 6 N a^{+} (a q)$ $2Fe^(3+)(aq) + 6Cl^-(aq) + 6Na^+(aq) + 3CO_3^(2-)(aq) -> Fe_2(CO_3)_3(s) + 6Cl^-(aq) + 6Na^+(aq)$ ?
Question #2b052
Why gravity is still regarded as one of the fundamental forces?
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Question #f26ba
How can displacement be used to find the density of an object water?
A cylinder has inner and outer radii of $8 c m$ $8 cm$ and $16 c m$ $16 cm$ , respectively, and a mass of $6 k g$ $6 kg$ . If the cylinder's frequency of counterclockwise rotation about its center changes from $2 H z$ $2 Hz$ to $7 H z$ $7 Hz$ , by how much does its angular momentum change?
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